How far is Three Forks, MT from Miles City, MT?
The driving distance from Three Forks, MT to Miles City, MT is about 316.7 miles (509.7 km), with a travel time of about 04h 45m by car.
- The straight-line flight distance is about 275.6 miles (443.6 km).
- For a round trip, plan for roughly 09h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 45m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Yellowstone County, Montana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Three Forks and Miles City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Three Forks and Miles City.
-
1
Start on Main Street
1.5 km · 1 min · Main Street
-
2
Continue straight
1221 ft · 21 sec
-
3
Take the ramp right
1106 ft · 27 sec
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4
Merge slight left
177.4 mi · 2 hr 59 min
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5
Keep slight left to continue on I 94 East: Bismark
134.7 mi · 2 hr 20 min
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6
Take the exit slight right toward I 94 Business: Miles City, Jordan
3.6 mi · 6 min
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7
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Three Forks and Miles City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Main Street
Merge slight left
177 mi · 02h 59m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Three Forks and Chance Rain Showers near Miles City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Three Forks to Miles City?
The road trip is about 316.7 miles (509.7 km) and usually takes 04h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Laurel is a useful midpoint, sitting about 158.2 miles from Three Forks and 158.5 miles from Miles City.
How much longer is the road route than the straight-line distance?
The direct path is about 275.6 miles (443.6 km), while the road route adds roughly 41.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:28 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.48 one way or $86.97 round trip. Estimated CO2 is about 99.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Three Forks and Chance Rain Showers near Miles City.
Stop Ideas Near Laurel
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Laurel.
Billings, MT
Flight Path Map
This map shows the direct air route between Three Forks and Miles City. Straight-line distance: 275.64 mi (443.6 km).
#1 Three Forks
City in Gallatin County, Montana, United States
| Population | 1,926 |
| Coordinates | 45.8924300, -111.5521900 |
| Altitude | 1242 |
| Country | United States |
#2 Miles City
City in Custer County, Montana
| Population | 8,264 |
| Coordinates | 46.4083400, -105.8405600 |
| Altitude | 722 |
| Country | United States |
End: Main Street (-105.84056, 46.408351)
Estimated Travel Time
Distance: 510 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 33m |
| 40 mph (64.37 km/h) | 07h 55m |
| 50 mph (80.47 km/h) | 06h 20m |
| 60 mph (96.56 km/h) | 05h 16m |
| 70 mph (112.65 km/h) | 04h 31m |
| 80 mph (129 km/h) | 03h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $43.48 | $86.97 |
| Mid-grade | $4.23 | $47.26 | $94.52 |
| Premium | $4.55 | $50.81 | $101.62 |
| Diesel | $5.41 | $60.45 | $120.90 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Montana · May 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.