Road Trip Time Calculator: Drive Time + ETA
How long will your drive take? Enter distance, average speed, and departure time to get your exact drive time, rest breaks, and arrival ETA. Works in miles or km — free road trip calculator.
See step-by-step calculation
When to use this calculator
- Estimating arrival time for a cross-country family road trip
- Planning rest stops and overnight hotels for multi-day drives
- Comparing drive-through vs. break-heavy schedules for long hauls
- Deciding if a same-day round trip is feasible before you leave
- Coordinating meet-up times with other travelers on the same route
- Checking whether a drive fits safely within daylight hours
Popular US Road-Trip Routes: Distance & Drive Time
Approximate highway driving distances for well-known city pairs, with pure drive time at 65 mph (no breaks or traffic). Plug your own speed into the calculator to refine.
| Route | Distance (mi) | Distance (km) | Pure drive time @ 65 mph |
|---|---|---|---|
| Seattle → Portland | 174 | 280 | 2h 41m |
| New York → Washington DC | 225 | 362 | 3h 28m |
| Boston → New York | 215 | 346 | 3h 18m |
| Dallas → Houston | 239 | 385 | 3h 41m |
| Los Angeles → Las Vegas | 270 | 435 | 4h 09m |
| Chicago → Detroit | 283 | 455 | 4h 21m |
| San Francisco → Los Angeles | 383 | 616 | 5h 54m |
| Los Angeles → New York (coast-to-coast) | 2,790 | 4,490 | ~42h 55m (multi-day) |
Distances are typical I-route driving miles and vary slightly by start/end point. Drive time = distance ÷ 65 mph; add ~15 min per 2 hours for breaks and 20–60%+ for traffic on busy corridors. The coast-to-coast run needs 3–5 days at safe daily limits.
How it works
What is drive time?
Drive time is the actual duration spent actively driving, calculated by dividing total distance by average speed. A 500-mile trip at 65 mph equals approximately 7 hours 42 minutes of pure driving. Total trip time increases when you add rest breaks, typically extending your journey by 30 minutes to an hour depending on stop frequency.
How It Works
This calculator uses three core components to estimate total road trip time:
1. Pure drive time — distance divided by average speed.
2. Break time — number of breaks multiplied by break duration.
3. ETA — departure time plus total trip time.
Formula
Pure Drive Time (hrs) = Distance (mi) ÷ Average Speed (mph)
Number of Breaks = floor(Pure Drive Time ÷ Break Frequency)
[last segment doesn't count if it ends the trip]
Total Break Time (hrs) = Number of Breaks × Break Duration (min) ÷ 60
Total Trip Time (hrs) = Pure Drive Time + Total Break Time
ETA = Departure Time + Total Trip TimeIf you enter distance in kilometers and speed in km/h, both are first converted to miles and mph so all intermediate math stays consistent before converting back for display.
Worked Example
| Input | Value |
|---|---|
| Distance | 500 mi |
| Average speed | 65 mph |
| Break duration | 15 min |
| Break frequency | Every 2 hrs |
| Departure | 8:00 AM |
Step 1 — Pure drive time:
500 ÷ 65 = 7.692 hrs → 7h 42m
Step 2 — Number of breaks:
floor(7.692 ÷ 2) = 3 breaks
Step 3 — Total break time:
3 × 15 = 45 min → 0h 45m
Step 4 — Total trip time:
7h 42m + 0h 45m = 8h 27m
Step 5 — ETA:
8:00 AM + 8h 27m = 4:27 PM
Drive Time by Distance (at common speeds)
Pure drive time only — add ~15 min per 2 hours for breaks. Rounded to the nearest minute.
| Distance | @ 55 mph | @ 65 mph | @ 75 mph |
|---|---|---|---|
| 50 mi (80 km) | 55m | 46m | 40m |
| 100 mi (161 km) | 1h 49m | 1h 32m | 1h 20m |
| 200 mi (322 km) | 3h 38m | 3h 5m | 2h 40m |
| 300 mi (483 km) | 5h 27m | 4h 37m | 4h 0m |
| 500 mi (805 km) | 9h 5m | 7h 42m | 6h 40m |
| 800 mi (1,287 km) | 14h 33m | 12h 18m | 10h 40m |
| 1,000 mi (1,609 km) | 18h 11m | 15h 23m | 13h 20m |
Drive Time by Distance (metric, at common speeds)
| Distance | @ 90 km/h | @ 100 km/h | @ 120 km/h |
|---|---|---|---|
| 100 km | 1h 7m | 1h 0m | 50m |
| 300 km | 3h 20m | 3h 0m | 2h 30m |
| 500 km | 5h 33m | 5h 0m | 4h 10m |
| 800 km | 8h 53m | 8h 0m | 6h 40m |
| 1,000 km | 11h 7m | 10h 0m | 8h 20m |
Speed Guidelines (typical averages)
| Road Type | US (mph) | Metric (km/h) |
|---|---|---|
| Interstate / motorway | 65–75 | 105–120 |
| US / state highway | 55–65 | 90–105 |
| Mixed city + highway | 45–55 | 70–90 |
| Urban / city driving | 25–35 | 40–55 |
Unit conversions: 1 mile = 1.60934 km; 1 km = 0.621371 mi. To convert mph to km/h, multiply by 1.60934.
When NOT to Apply / Limitations
Frequently asked questions
What average speed should I use for a US highway road trip?
How many breaks should I plan on a long drive?
Why does the calculator recommend an overnight stay after 10 hours?
Does this calculator account for traffic?
How do I convert my trip from kilometers to miles?
What if my departure time is in the evening and I arrive after midnight?
Does the calculator include fuel stops?
How accurate is average speed as a trip-planning metric?
Can I use this for motorcycle or RV trips?
Sources & references
- AAA Foundation for Traffic Safety — Drowsy Driving Research — AAA Foundation for Traffic Safety (2024)
- NHTSA — Drowsy Driving — National Highway Traffic Safety Administration (2025)
- FMCSA Hours of Service Regulations — Federal Motor Carrier Safety Administration (2026)
- US DOT — Highway Statistics — Federal Highway Administration (2025)
Methodology & trust
Calculadora de viajes revisada por el equipo editorial de Hacé Cuentas, contrastada con AAA Foundation for Traffic Safety — Drowsy Driving Research, según nuestra política editorial y metodología.
Última revisión: June 22, 2026. Los parámetros se verifican periódicamente con las fuentes citadas.
Calculations run 100% in your browser. We do not store or transmit your data.
Indicative results. For critical decisions, consult a professional.
Rodríguez, M. (2026). Road Trip Time Calculator: Drive Time + ETA. Hacé Cuentas. https://hacecuentas.com/road-trip-time-distance-calculator
Contenido bajo licencia CC-BY 4.0 — reutilizable citando la fuente con enlace a Hacé Cuentas.