How far is Billings, MT from Fort Benton, MT?
The driving distance from Billings, MT to Fort Benton, MT is about 258.4 miles (415.8 km), with a travel time of about 04h 53m by car.
- The straight-line flight distance is about 174 miles (280 km).
- For a round trip, plan for roughly 09h 46m 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 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 of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers Likely
Rain And Snow Likely
Driving Route Map
The map below follows the saved road route between Billings and Fort Benton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Billings and Fort Benton.
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1
Start on Montana Avenue
589 ft · 25 sec · Montana Avenue
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2
Turn left onto North 23rd Street
114 m · 22 sec · North 23rd Street
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3
Turn left onto 1st Avenue North
1518 ft · 1 min · 1st Avenue North
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4
Turn right onto North 27th Street
2.1 mi · 3 min · North 27th Street
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5
Enter the roundabout and take exit 3 toward Airport Road
72 m · 3 sec
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6
Exit the roundabout
3.1 mi · 4 min
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7
Enter the roundabout and take exit 2 toward the route
44 m · 2 sec
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8
Exit the roundabout
25.5 mi · 29 min
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9
Continue on Iowa Avenue
2.5 mi · 3 min · Iowa Avenue
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10
Continue straight
12.4 mi · 14 min
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11
At the end of the road, turn left
45.1 mi · 51 min
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12
Turn right
39.2 mi · 43 min
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13
At the end of the road, turn left
64.3 mi · 1 hr 10 min
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14
Turn slight right
1588 ft · 21 sec
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15
Enter the roundabout and take exit 2 toward the route
52 m · 2 sec
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16
Exit the roundabout
557 ft · 7 sec
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17
Continue straight
19.3 mi · 21 min
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18
Turn right onto 57th Street South
1.6 mi · 2 min · 57th Street South
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19
Continue on River Drive North
3.4 mi · 5 min · River Drive North
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20
Turn right onto 15th Street North
36.9 mi · 40 min · 15th Street North
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21
Turn right onto MT 386
1.4 mi · 3 min · MT 386
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22
Continue on Saint Charles Street
117 m · 13 sec · Saint Charles Street
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23
Turn right onto 12th Street
1366 ft · 1 min · 12th Street
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24
Turn left onto Main Street
1237 ft · 57 sec · Main Street
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25
Turn right
83 m · 21 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Billings 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.
Longest stretch
At the end of the road, turn left
64.3 mi · 01h 10m
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.
Rain And Snow Showers Likely leaving Billings and Rain And Snow Likely near Fort Benton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Billings to Fort Benton?
The road trip is about 258.4 miles (415.8 km) and usually takes 04h 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?
Moore is a useful midpoint, sitting about 129 miles from Billings and 129.4 miles from Fort Benton.
How much longer is the road route than the straight-line distance?
The direct path is about 174 miles (280 km), while the road route adds roughly 84.4 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 7:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.50 one way or $71.01 round trip. Estimated CO2 is about 81 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers Likely around Billings and Rain And Snow Likely near Fort Benton.
Flight Path Map
This map shows the direct air route between Billings and Fort Benton. Straight-line distance: 173.97 mi (279.98 km).
#1 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| 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: 416 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 36m |
| 40 mph (64.37 km/h) | 06h 27m |
| 50 mph (80.47 km/h) | 05h 10m |
| 60 mph (96.56 km/h) | 04h 18m |
| 70 mph (112.65 km/h) | 03h 41m |
| 80 mph (129 km/h) | 03h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $35.50 | $71.01 |
| Mid-grade | $4.23 | $38.59 | $77.17 |
| Premium | $4.55 | $41.49 | $82.97 |
| Diesel | $5.41 | $49.36 | $98.71 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.