How far is Fort Benton, MT from Kalispell, MT?

The driving distance from Fort Benton, MT to Kalispell, MT is about 255.6 miles (411.4 km), with a travel time of about 04h 35m by car.

  • The straight-line flight distance is about 170.5 miles (274.4 km).
  • For a round trip, plan for roughly 09h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
255.63 mi
04h 35m
Flight
170.5 mi
274.4 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Fort Benton.

Flight Distance

Direct air line
170.5 mi
Kilometers
274.4 km
Flight Time
00h 20m

Driving Distance

Road route
255.63 mi
Kilometers
411.39 km
Drive Time
04h 35m

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 35m.

Arrival Snapshot
Arrive in Kalispell
Sat, Apr 18, 12:13 AM MDT
Return by in Fort Benton
Sat, Apr 18, 4:49 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Benton
2026-04-17T19:38
Arrive Kalispell
Sat, Apr 18, 12:13 AM MDT
Route Timing
04h 35m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:36 AM to 12:36 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:48 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Fort Benton
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
Cut Bank
MT

City in Glacier County, Montana, United States

From Fort Benton
128.5 mi
02h 17m
To Kalispell
127.1 mi
02h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Friday

Mostly Sunny then Chance Light Snow

Starts
Fri, Apr 17 6:00 AM MDT
Wind
2 to 10 mph WNW
Destination
48°F
Friday

Slight Chance Light Snow then Chance Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
2 to 6 mph SW

Driving Route Map

The map below follows the saved road route between Fort Benton and Kalispell.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Benton and Kalispell.

  1. 1

    Start on the route

    24 m · 6 sec

  2. 2

    Turn right

    59 m · 19 sec

  3. 3

    Turn left onto Main Street

    1237 ft · 54 sec · Main Street

  4. 4

    Turn right onto 12th Street

    1366 ft · 1 min · 12th Street

  5. 5

    Turn left onto Saint Charles Street

    117 m · 11 sec · Saint Charles Street

  6. 6

    Continue on MT 386

    1.4 mi · 3 min · MT 386

  7. 7

    Turn right onto US 87

    1.6 mi · 2 min · US 87

  8. 8

    Take the ramp left

    40 m · 3 sec

  9. 9

    Turn straight onto MT 223

    52.3 mi · 56 min · MT 223

  10. 10

    Continue on 5th Street West

    2814 ft · 1 min · 5th Street West

  11. 11

    At the end of the road, turn left

    42.4 mi · 48 min

  12. 12

    Turn right onto 5th Avenue North

    138 m · 17 sec · 5th Avenue North

  13. 13

    Continue on West Roosevelt Highway

    58 mi · 1 hr 8 min · West Roosevelt Highway

  14. 14

    Continue on East Central Avenue

    1 km · 2 min · East Central Avenue

  15. 15

    Enter the roundabout and take exit 3 toward the route

    75 m · 4 sec

  16. 16

    Exit the roundabout

    72.3 mi · 1 hr 20 min

  17. 17

    Turn right

    842 ft · 1 min

  18. 18

    At the end of the road, turn left onto Old US 2

    1930 ft · 1 min · Old US 2

  19. 19

    Turn right onto US Route 2

    7.5 mi · 10 min · US Route 2

  20. 20

    Continue on US 2

    1.7 mi · 2 min · US 2

  21. 21

    Turn left

    9.7 mi · 12 min

  22. 22

    At the end of the road, turn right

    5.7 mi · 8 min

  23. 23

    Continue on US Route 2

    1.2 mi · 2 min · US Route 2

  24. 24

    Turn left onto Woodland Park Drive

    2198 ft · 1 min · Woodland Park Drive

  25. 25

    At the end of the road, turn right onto Conrad Drive

    1451 ft · 40 sec · Conrad Drive

  26. 26

    Continue on 2nd Street East

    1235 ft · 39 sec · 2nd Street East

  27. 27

    Turn left onto 3rd Avenue East

    112 m · 12 sec · 3rd Avenue East

  28. 28

    Turn right onto 3rd Street East

    1169 ft · 34 sec · 3rd Street East

  29. 29

    Arrive at your destination

    0 m · 1 sec · 3rd Street West

Car Route Details

A richer read on the saved driving route between Fort Benton and Kalispell.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
29 steps
19 turns on the saved route
Ramps & Exits
3
0 merges, 3 ramps or exits
Navigation Density
11.3 / 100 mi
Decision points by distance
Main Roads
East Central Avenue
72.9 mi · 29%
West Roosevelt Highway
58 mi · 23%
MT 223
52.3 mi · 20%
US Route 2
8.73 mi · 3%
US 2
1.66 mi · 1%
US 87
1.61 mi · 1%
Longest Stretch

East Central Avenue

Exit the roundabout

72.3 mi · 01h 20m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 35m
Long day trip
Same-Day Return
09h 12m
Round-trip wheel time
Road vs Air
+85.1 mi
170.5 mi direct line
Halfway Stop
Cut Bank
02h 17m from Fort Benton
Leave By
7:48 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Chance Light Snow leaving Fort Benton and Slight Chance Light Snow then Chance Snow Showers near Kalispell.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Benton to Kalispell?

The road trip is about 255.6 miles (411.4 km) and usually takes 04h 35m 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?

Cut Bank is a useful midpoint, sitting about 128.5 miles from Fort Benton and 127.1 miles from Kalispell.

How much longer is the road route than the straight-line distance?

The direct path is about 170.5 miles (274.4 km), while the road route adds roughly 85.1 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 7:48 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.11 one way or $70.23 round trip. Estimated CO2 is about 80.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Light Snow around Fort Benton and Slight Chance Light Snow then Chance Snow Showers near Kalispell.

Stop Ideas Near Cut Bank

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Cut Bank, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Cut Bank.

RAIL

Cut Bank

1 mi away
101 BNSF Industrial Site
RAIL

Shelby

38 mi away
230 W Central Avenue
RAIL

Browning

52 mi away
Heart Butte Rd and Depot Rd.
RAIL

East Glacier Park

69 mi away
400 Highway 49 North

Flight Path Map

This map shows the direct air route between Fort Benton and Kalispell. Straight-line distance: 170.5 mi (274.4 km).

Fort Benton

#1 Fort Benton

City in Montana, USA

Population1,442
Coordinates47.8183000, -110.6674400
Altitude799
CountryUnited States
Kalispell

#2 Kalispell

City in Flathead County, Montana, United States

Population25,329
Coordinates48.1957900, -114.3129100
Altitude901
CountryUnited States
Start: (-110.667394, 47.818279)
End: 3rd Street West (-114.312918, 48.195812)

Estimated Travel Time

Distance: 411 km by road

SpeedTime
30 mph (48.3 km/h)08h 31m
40 mph (64.37 km/h)06h 23m
50 mph (80.47 km/h)05h 06m
60 mph (96.56 km/h)04h 15m
70 mph (112.65 km/h)03h 39m
80 mph (129 km/h)03h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.02 gal
34.15 L · about $35.11
Round trip
$70.23
18.04 gal · 68.3 L
Estimated CO2
80.2 kg one way
Round trip: 160.3 kg / 353 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $35.11 $70.23
Mid-grade $4.23 $38.16 $76.33
Premium $4.55 $41.03 $82.06
Diesel $5.41 $48.82 $97.63

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

There is no time difference between Fort Benton and Kalispell. The current time is 19:38:05.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.