How far is Miles City, MT from East Missoula, MT?
The driving distance from Miles City, MT to East Missoula, MT is about 486.2 miles (782.5 km), with a travel time of about 08h 06m by car.
- The straight-line flight distance is about 385.6 miles (620.6 km).
- For a round trip, plan for roughly 16h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 06m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 and the county seat of Park County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Miles City and East Missoula.
Turn-by-Turn Driving Directions
Step-by-step road directions between Miles City and East Missoula.
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1
Start on Main Street
1.1 mi · 2 min · Main Street
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2
Continue straight
1.9 mi · 3 min
-
3
Take the ramp straight
20 m · 2 sec
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4
Keep slight right
1487 ft · 36 sec
-
5
Merge slight left
135.4 mi · 2 hr 19 min
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6
Merge slight left
2.8 mi · 3 min
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7
Continue straight
112.8 mi · 1 hr 52 min
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8
Continue straight
7 mi · 7 min
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9
Continue straight
113.4 mi · 1 hr 54 min
-
10
Keep slight left to continue on I 90 West: Missoula
110.8 mi · 1 hr 45 min
-
11
Take the exit slight right toward East Missoula
992 ft · 24 sec
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12
Turn sharp right onto Old Montana 200
1973 ft · 44 sec · Old Montana 200
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13
Turn right onto Randles Street
572 ft · 25 sec · Randles Street
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14
Arrive at your destination
0 m · 1 sec · Randles Street
Car Route Details
A richer read on the saved driving route between Miles City and East Missoula.
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
135 mi · 02h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Miles City and Sunny near East Missoula.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Miles City to East Missoula?
The road trip is about 486.2 miles (782.5 km) and usually takes 08h 06m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Livingston is a useful midpoint, sitting about 242.6 miles from Miles City and 243.6 miles from East Missoula.
How much longer is the road route than the straight-line distance?
The direct path is about 385.6 miles (620.6 km), while the road route adds roughly 100.6 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $66.80 one way or $133.61 round trip. Estimated CO2 is about 152.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Miles City and Sunny near East Missoula.
Stop Ideas Near Livingston
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 Livingston.
Livingston, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Miles City and East Missoula. Straight-line distance: 385.59 mi (620.55 km).
#1 Miles City
City in Custer County, Montana
| Population | 8,264 |
| Coordinates | 46.4083400, -105.8405600 |
| Altitude | 722 |
| Country | United States |
#2 East Missoula
Census designated place
| Population | 2,157 |
| Coordinates | 46.8707600, -113.9445500 |
| Altitude | 995 |
| Country | United States |
End: East Missoula (-113.94455, 46.87076)
Estimated Travel Time
Distance: 782 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 12m |
| 40 mph (64.37 km/h) | 12h 09m |
| 50 mph (80.47 km/h) | 09h 43m |
| 60 mph (96.56 km/h) | 08h 06m |
| 70 mph (112.65 km/h) | 06h 56m |
| 80 mph (129 km/h) | 06h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $66.80 | $133.61 |
| Mid-grade | $4.23 | $72.60 | $145.21 |
| Premium | $4.55 | $78.06 | $156.12 |
| Diesel | $5.41 | $92.87 | $185.74 |
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 · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.