How far is Forsyth, MT from Miles City, MT?
The driving distance from Forsyth, MT to Miles City, MT is about 44.5 miles (71.6 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 41.1 miles (66.2 km).
- For a round trip, plan for roughly 01h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 00h 46m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town focused on coal mining and electricity production
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Forsyth and Miles City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Forsyth and Miles City.
-
1
Start on the route
25 m · 12 sec
-
2
Turn left onto North 10th Avenue
46 m · 12 sec · North 10th Avenue
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3
Turn left onto Main Street
2862 ft · 57 sec · Main Street
-
4
Turn slight right onto South 18th Avenue
1575 ft · 33 sec · South 18th Avenue
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5
Take the ramp left
1840 ft · 45 sec
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6
Merge slight left
39.7 mi · 38 min
-
7
Take the exit slight right toward I 94 Business: Miles City, Jordan
3.6 mi · 6 min
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8
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Forsyth and Miles City.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South 18th Avenue
Merge slight left
39.7 mi · 00h 38m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny then Chance Rain Showers leaving Forsyth and Mostly Sunny near Miles City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Forsyth to Miles City?
The road trip is about 44.5 miles (71.6 km) and usually takes 00h 46m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Colstrip is a useful midpoint, sitting about 22.2 miles from Forsyth and 22.2 miles from Miles City.
How much longer is the road route than the straight-line distance?
The direct path is about 41.1 miles (66.2 km), while the road route adds roughly 3.4 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:58 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.11 one way or $12.22 round trip. Estimated CO2 is about 14 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Forsyth and Mostly Sunny near Miles City.
Stop Ideas Near Colstrip
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 Colstrip.
Miles City, MT
Flight Path Map
This map shows the direct air route between Forsyth and Miles City. Straight-line distance: 41.13 mi (66.19 km).
#1 Forsyth
Rosebud county seat and river town near Yellowstone River
| Population | 1,752 |
| Coordinates | 46.2663800, -106.6778100 |
| Altitude | 768 |
| 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: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 28m |
| 40 mph (64.37 km/h) | 01h 06m |
| 50 mph (80.47 km/h) | 00h 53m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.11 | $12.22 |
| Mid-grade | $4.23 | $6.64 | $13.29 |
| Premium | $4.55 | $7.14 | $14.28 |
| Diesel | $5.41 | $8.50 | $16.99 |
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 · Apr 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.