How far is Bozeman, MT from Roundup, MT?
The driving distance from Bozeman, MT to Roundup, MT is about 194.1 miles (312.3 km), with a travel time of about 03h 24m by car.
- The straight-line flight distance is about 130.9 miles (210.6 km).
- For a round trip, plan for roughly 06h 49m 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 03h 24m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Stillwater County, Montana, United States
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 Roundup.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Roundup.
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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
-
4
Merge slight left
23.3 mi · 23 min
-
5
Continue straight
6.9 mi · 6 min
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6
Continue straight
112.4 mi · 1 hr 53 min
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7
Take the exit slight right
1323 ft · 34 sec
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8
Turn left onto US Highway 87 East
1.3 mi · 2 min · US Highway 87 East
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9
Take the exit slight right
3.5 mi · 6 min
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10
Turn slight left onto Roundup Road
44.4 mi · 49 min · Roundup Road
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11
Turn left onto Main Street
1245 ft · 21 sec · Main Street
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12
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Bozeman and Roundup.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
West Main Street
Continue straight
112 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 Roundup.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Roundup?
The road trip is about 194.1 miles (312.3 km) and usually takes 03h 24m 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?
Columbus is a useful midpoint, sitting about 96.9 miles from Bozeman and 97.2 miles from Roundup.
How much longer is the road route than the straight-line distance?
The direct path is about 130.9 miles (210.6 km), while the road route adds roughly 63.2 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 10:10 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.67 one way or $53.33 round trip. Estimated CO2 is about 60.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bozeman and Sunny near Roundup.
Stop Ideas Near Columbus
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 Columbus.
Billings, MT
Livingston, MT
Flight Path Map
This map shows the direct air route between Bozeman and Roundup. Straight-line distance: 130.86 mi (210.6 km).
#1 Bozeman
Town in Gallatin County, Montana, United States
| Population | 50,970 |
| Coordinates | 45.6796500, -111.0385600 |
| Altitude | 1468 |
| Country | United States |
#2 Roundup
City in Musselshell County, Montana, United States
| Population | 1,864 |
| Coordinates | 46.4452400, -108.5418000 |
| Altitude | 980 |
| Country | United States |
End: Roundup (-108.5418, 46.44524)
Estimated Travel Time
Distance: 312 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 27m |
| 40 mph (64.37 km/h) | 04h 51m |
| 50 mph (80.47 km/h) | 03h 52m |
| 60 mph (96.56 km/h) | 03h 14m |
| 70 mph (112.65 km/h) | 02h 46m |
| 80 mph (129 km/h) | 02h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $26.67 | $53.33 |
| Mid-grade | $4.23 | $28.98 | $57.96 |
| Premium | $4.55 | $31.16 | $62.32 |
| Diesel | $5.41 | $37.07 | $74.14 |
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.