How far is Bozeman, MT from Colstrip, MT?
The driving distance from Bozeman, MT to Colstrip, MT is about 267.6 miles (430.7 km), with a travel time of about 04h 48m by car.
- The straight-line flight distance is about 213.2 miles (343.1 km).
- For a round trip, plan for roughly 09h 36m 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 48m.
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.
The most populous city in Montana.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Bozeman and Colstrip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Colstrip.
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1
Start on North Willson Avenue
40 m · 12 sec · North Willson Avenue
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2
Turn left onto West Main Street
1.4 mi · 4 min · West Main Street
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3
Take the exit right
1723 ft · 43 sec
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4
Merge slight left
23.3 mi · 23 min
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5
Continue straight
6.9 mi · 6 min
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6
Continue straight
113 mi · 1 hr 53 min
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7
Continue straight
3.1 mi · 4 min
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8
Keep slight right to continue on I 90 East: Sheridan
54 mi · 51 min
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9
Take the exit slight right toward US 212 East: Little Bighorn Battlefield, Broadus
2032 ft · 54 sec
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10
Turn left
42.1 mi · 50 min
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11
Enter the roundabout and take exit 3 toward Cheyenne Avenue
100 m · 6 sec · Cheyenne Avenue
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12
Exit the roundabout onto Cheyenne Avenue
2522 ft · 43 sec · Cheyenne Avenue
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13
Continue on State Highway 39
22.2 mi · 33 min · State Highway 39
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14
Turn right onto Box Elder Avenue
2176 ft · 2 min · Box Elder Avenue
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15
Arrive at your destination
0 m · 1 sec · Park Street
Car Route Details
A richer read on the saved driving route between Bozeman and Colstrip.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
West Main Street
Continue straight
113 mi · 01h 53m
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.
Sunny leaving Bozeman and Sunny near Colstrip.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Colstrip?
The road trip is about 267.6 miles (430.7 km) and usually takes 04h 48m 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?
Billings is a useful midpoint, sitting about 133.5 miles from Bozeman and 134.1 miles from Colstrip.
How much longer is the road route than the straight-line distance?
The direct path is about 213.2 miles (343.1 km), while the road route adds roughly 54.4 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:24 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.75 one way or $73.50 round trip. Estimated CO2 is about 83.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bozeman and Sunny near Colstrip.
Stop Ideas Near Billings
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 Billings.
Billings, MT
Flight Path Map
This map shows the direct air route between Bozeman and Colstrip. Straight-line distance: 213.17 mi (343.07 km).
#1 Bozeman
Town in Gallatin County, Montana, United States
| Population | 50,970 |
| Coordinates | 45.6796500, -111.0385600 |
| Altitude | 1468 |
| Country | United States |
#2 Colstrip
Town focused on coal mining and electricity production
| Population | 2,217 |
| Coordinates | 45.8841600, -106.6236400 |
| Altitude | 982 |
| Country | United States |
End: Colstrip (-106.62364, 45.88416)
Estimated Travel Time
Distance: 431 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 55m |
| 40 mph (64.37 km/h) | 06h 41m |
| 50 mph (80.47 km/h) | 05h 21m |
| 60 mph (96.56 km/h) | 04h 27m |
| 70 mph (112.65 km/h) | 03h 49m |
| 80 mph (129 km/h) | 03h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $36.75 | $73.50 |
| Mid-grade | $4.23 | $39.94 | $79.88 |
| Premium | $4.55 | $42.94 | $85.89 |
| Diesel | $5.41 | $51.09 | $102.18 |
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 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.