How far is Bigfork, MT from Miles City, MT?

The driving distance from Bigfork, MT to Miles City, MT is about 535.1 miles (861.1 km), with a travel time of about 09h 08m by car.

  • The straight-line flight distance is about 402.5 miles (647.8 km).
  • For a round trip, plan for roughly 18h 16m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
535.07 mi
09h 08m
Flight
402.54 mi
647.82 km direct

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

Learn Distance

Choose another destination from Bigfork.

Flight Distance

Direct air line
402.54 mi
Kilometers
647.82 km
Flight Time
00h 48m

Driving Distance

Road route
535.07 mi
Kilometers
861.11 km
Drive Time
09h 08m

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 09h 08m.

Arrival Snapshot
Arrive in Miles City
Thu, Apr 23, 8:15 AM MDT
Return by in Bigfork
Thu, Apr 23, 5:23 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bigfork
2026-04-22T23:07
Arrive Miles City
Thu, Apr 23, 8:15 AM MDT
Route Timing
09h 08m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
3:08 PM to 4:38 PM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
5:44 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Bigfork
8:00 PM MDT
Overnight-style route

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
Bozeman
MT

Town in Gallatin County, Montana, United States

From Bigfork
287.4 mi
04h 34m
To Miles City
247.6 mi
04h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Wednesday

Chance Light Rain then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 12 mph WNW
Destination
84°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 14 mph SSW

Driving Route Map

The map below follows the saved road route between Bigfork and Miles City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bigfork and Miles City.

  1. 1

    Start on Cascade Avenue

    53 m · 10 sec · Cascade Avenue

  2. 2

    Turn right onto Grand Drive

    93 m · 19 sec · Grand Drive

  3. 3

    Turn left onto Electric Avenue

    602 ft · 31 sec · Electric Avenue

  4. 4

    Turn left onto Bridge Street

    887 ft · 39 sec · Bridge Street

  5. 5

    Turn slight right onto Bridge Street

    621 ft · 32 sec · Bridge Street

  6. 6

    Continue on Bridge Street

    889 ft · 31 sec · Bridge Street

  7. 7

    Turn left

    4.8 mi · 8 min

  8. 8

    At the end of the road, turn right

    82.6 mi · 1 hr 34 min

  9. 9

    Turn left

    23.8 mi · 26 min

  10. 10

    Turn right onto State Highway 141

    32.5 mi · 35 min · State Highway 141

  11. 11

    Turn sharp right

    12.9 mi · 14 min

  12. 12

    Turn left

    2539 ft · 43 sec

  13. 13

    Continue straight

    802 ft · 14 sec

  14. 14

    Take the ramp straight

    1.4 km · 2 min

  15. 15

    Merge slight left

    45 mi · 42 min

  16. 16

    Keep slight right

    110.8 mi · 1 hr 51 min

  17. 17

    Continue straight

    6.9 mi · 6 min

  18. 18

    Continue straight

    113 mi · 1 hr 53 min

  19. 19

    Continue straight

    3.1 mi · 4 min

  20. 20

    Keep slight left to continue on I 94 East: Bismark

    134.7 mi · 2 hr 20 min

  21. 21

    Take the exit slight right toward I 94 Business: Miles City, Jordan

    3.6 mi · 6 min

  22. 22

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Bigfork and Miles City.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
22 steps
10 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
4.1 / 100 mi
Decision points by distance
Main Roads
State Highway 141
312 mi · 58%
I 94 East
135 mi · 25%
I 94 Business
3.6 mi · 1%
Bridge Street
0.45 mi
Electric Avenue
0.11 mi
Grand Drive
0.06 mi
Longest Stretch

I 94 East

Keep slight left to continue on I 94 East: Bismark

135 mi · 02h 20m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
09h 08m
Overnight route
Same-Day Return
18h 16m
Round-trip wheel time
Road vs Air
+132.6 mi
402.5 mi direct line
Halfway Stop
Bozeman
04h 34m from Bigfork
Leave By
5:44 PM MDT
Overnight-style route
Weather Watch

Chance Light Rain then Showers And Thunderstorms leaving Bigfork and Mostly Sunny near Miles City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bigfork to Miles City?

The road trip is about 535.1 miles (861.1 km) and usually takes 09h 08m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Bozeman is a useful midpoint, sitting about 287.4 miles from Bigfork and 247.6 miles from Miles City.

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

The direct path is about 402.5 miles (647.8 km), while the road route adds roughly 132.6 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $73.50 one way or $147.00 round trip. Estimated CO2 is about 167.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Bigfork and Mostly Sunny near Miles City.

Stop Ideas Near Bozeman

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

Mid-route Guidance
Local place coverage is thin around Bozeman, 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 Bozeman.

BUS

Bozeman, MT

15 mi away
6505 Jack Rabbit Lane
BUS

Livingston, MT

38 mi away
1404 East Park Street \r\n

Flight Path Map

This map shows the direct air route between Bigfork and Miles City. Straight-line distance: 402.54 mi (647.82 km).

Bigfork

#1 Bigfork

City in Itasca County, Minnesota, United States of America

Population4,270
Coordinates48.0632900, -114.0726100
Altitude908
CountryUnited States
Miles City

#2 Miles City

City in Custer County, Montana

Population8,264
Coordinates46.4083400, -105.8405600
Altitude722
CountryUnited States
Start: Cascade Avenue (-114.072075, 48.06329)
End: Main Street (-105.84056, 46.408351)

Estimated Travel Time

Distance: 861 km by road

SpeedTime
30 mph (48.3 km/h)17h 49m
40 mph (64.37 km/h)13h 22m
50 mph (80.47 km/h)10h 42m
60 mph (96.56 km/h)08h 55m
70 mph (112.65 km/h)07h 38m
80 mph (129 km/h)06h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
18.88 gal
71.47 L · about $73.50
Round trip
$147.00
37.76 gal · 142.94 L
Estimated CO2
167.8 kg one way
Round trip: 335.6 kg / 740 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $73.50 $147.00
Mid-grade $4.23 $79.88 $159.76
Premium $4.55 $85.89 $171.77
Diesel $5.41 $102.18 $204.36

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

There is no time difference between Bigfork and Miles City. The current time is 23:07:05.

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.