How far is Missoula, MT from Fort Benton, MT?
The driving distance from Missoula, MT to Fort Benton, MT is about 205.2 miles (330.2 km), with a travel time of about 03h 53m by car.
- The straight-line flight distance is about 168.9 miles (271.8 km).
- For a round trip, plan for roughly 07h 47m 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 53m.
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.
Town in Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Light Rain
Driving Route Map
The map below follows the saved road route between Missoula and Fort Benton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Missoula and Fort Benton.
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1
Start on North Higgins Avenue
6 m · 8 sec · North Higgins Avenue
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2
Turn left onto East Broadway Street
3078 ft · 59 sec · East Broadway Street
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3
Turn left onto Van Buren Street
133 m · 6 sec · Van Buren Street
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4
Take the exit right
1216 ft · 30 sec
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5
Merge slight left onto Jeannette Rankin Memorial Highway
3.9 mi · 5 min · Jeannette Rankin Memorial Highway
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6
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148.5 mi · 2 hr 48 min
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7
Take the exit slight right toward I 15 South: Great Falls
1323 ft · 32 sec
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8
Merge slight left onto First Special Service Force Memorial Highway
9.5 mi · 9 min · First Special Service Force Memorial Highway
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9
Take the exit slight right toward I 15 Business
1262 ft · 31 sec
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10
Turn left onto Central Avenue West
1.3 mi · 2 min · Central Avenue West
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11
Turn left onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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12
Continue on Smelter Avenue Northeast
2885 ft · 45 sec · Smelter Avenue Northeast
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13
Turn left onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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14
Turn left onto 15th Street Northeast
35.8 mi · 38 min · 15th Street Northeast
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15
Turn right onto MT 386
1.4 mi · 3 min · MT 386
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16
Continue on Saint Charles Street
117 m · 13 sec · Saint Charles Street
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17
Turn right onto 12th Street
1366 ft · 1 min · 12th Street
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18
Turn left onto Main Street
1237 ft · 57 sec · Main Street
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19
Turn right
83 m · 21 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Missoula and Fort Benton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
MT 200 East
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148 mi · 02h 48m
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.
Showers And Thunderstorms leaving Missoula and Light Rain near Fort Benton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Missoula to Fort Benton?
The road trip is about 205.2 miles (330.2 km) and usually takes 03h 53m 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?
Cascade is a useful midpoint, sitting about 102.4 miles from Missoula and 102.8 miles from Fort Benton.
How much longer is the road route than the straight-line distance?
The direct path is about 168.9 miles (271.8 km), while the road route adds roughly 36.3 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 9:12 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.19 one way or $56.37 round trip. Estimated CO2 is about 64.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Missoula and Light Rain near Fort Benton.
Flight Path Map
This map shows the direct air route between Missoula and Fort Benton. Straight-line distance: 168.88 mi (271.79 km).
#1 Missoula
The most populous city in Missoula County, Montana.
| Population | 76,848 |
| Coordinates | 46.8721500, -113.9940000 |
| Altitude | 978 |
| Country | United States |
#2 Fort Benton
City in Montana, USA
| Population | 1,442 |
| Coordinates | 47.8183000, -110.6674400 |
| Altitude | 799 |
| Country | United States |
End: Fort Benton (-110.66744, 47.8183)
Estimated Travel Time
Distance: 330 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 50m |
| 40 mph (64.37 km/h) | 05h 07m |
| 50 mph (80.47 km/h) | 04h 06m |
| 60 mph (96.56 km/h) | 03h 25m |
| 70 mph (112.65 km/h) | 02h 55m |
| 80 mph (129 km/h) | 02h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $28.19 | $56.37 |
| Mid-grade | $4.23 | $30.63 | $61.26 |
| Premium | $4.55 | $32.93 | $65.87 |
| Diesel | $5.41 | $39.18 | $78.37 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.