How far is Roundup, MT from Missoula, MT?
The driving distance from Roundup, MT to Missoula, MT is about 316 miles (508.6 km), with a travel time of about 05h 29m by car.
- The straight-line flight distance is about 260.2 miles (418.7 km).
- For a round trip, plan for roughly 10h 58m 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 05h 29m.
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 Montana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Snow Showers Likely
Light Snow Likely
Driving Route Map
The map below follows the saved road route between Roundup and Missoula.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roundup and Missoula.
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1
Start on Main Street
1245 ft · 25 sec · Main Street
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2
Turn right onto 1st Avenue West
1.6 mi · 2 min · 1st Avenue West
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3
Turn right
125.2 mi · 2 hr 49 min
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4
Turn left onto 3rd Avenue Southwest
42.1 mi · 47 min · 3rd Avenue Southwest
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5
Turn right onto North Front Street
33.1 mi · 40 min · North Front Street
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6
Turn right onto North Montana Avenue
2555 ft · 1 min · North Montana Avenue
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7
Continue on East Lyndale Avenue
1.6 km · 2 min · East Lyndale Avenue
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8
Continue on Euclid Avenue
111.6 mi · 1 hr 55 min · Euclid Avenue
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9
Take the exit slight right toward US 12 West, I 90 Business
1037 ft · 26 sec
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10
Enter the roundabout and take exit 3 toward Van Buren Street
63 m · 3 sec · Van Buren Street
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11
Exit the roundabout onto Van Buren Street
65 m · 4 sec · Van Buren Street
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12
Enter the roundabout and take exit 1 toward Van Buren Street
28 m · 1 sec · Van Buren Street
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13
Exit the roundabout onto Van Buren Street
583 ft · 11 sec · Van Buren Street
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14
Turn right onto East Broadway Street
3078 ft · 55 sec · East Broadway Street
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15
Turn right onto North Higgins Avenue
6 m · 1 sec · North Higgins Avenue
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16
Arrive at your destination
0 m · 1 sec · North Higgins Avenue
Car Route Details
A richer read on the saved driving route between Roundup and Missoula.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn right
125 mi · 02h 49m
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.
Snow Showers Likely leaving Roundup and Light Snow Likely near Missoula.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roundup to Missoula?
The road trip is about 316 miles (508.6 km) and usually takes 05h 29m 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?
Townsend is a useful midpoint, sitting about 157.8 miles from Roundup and 158.2 miles from Missoula.
How much longer is the road route than the straight-line distance?
The direct path is about 260.2 miles (418.7 km), while the road route adds roughly 55.8 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 6:02 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.41 one way or $86.81 round trip. Estimated CO2 is about 99.1 kg one way.
What should you check before leaving?
Before you leave, expect Snow Showers Likely around Roundup and Light Snow Likely near Missoula.
Stop Ideas Near Townsend
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 Townsend.
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Flight Path Map
This map shows the direct air route between Roundup and Missoula. Straight-line distance: 260.17 mi (418.71 km).
#1 Roundup
City in Musselshell County, Montana, United States
| Population | 1,864 |
| Coordinates | 46.4452400, -108.5418000 |
| Altitude | 980 |
| Country | United States |
#2 Missoula
The most populous city in Missoula County, Montana.
| Population | 76,848 |
| Coordinates | 46.8721500, -113.9940000 |
| Altitude | 978 |
| Country | United States |
End: North Higgins Avenue (-113.994022, 46.872156)
Estimated Travel Time
Distance: 509 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 31m |
| 40 mph (64.37 km/h) | 07h 54m |
| 50 mph (80.47 km/h) | 06h 19m |
| 60 mph (96.56 km/h) | 05h 16m |
| 70 mph (112.65 km/h) | 04h 30m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $43.41 | $86.81 |
| Mid-grade | $4.23 | $47.18 | $94.35 |
| Premium | $4.55 | $50.72 | $101.44 |
| Diesel | $5.41 | $60.34 | $120.69 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.