How far is Forsyth, MT from Kalispell, MT?
The driving distance from Forsyth, MT to Kalispell, MT is about 510.8 miles (822 km), with a travel time of about 08h 48m by car.
- The straight-line flight distance is about 382 miles (614.8 km).
- For a round trip, plan for roughly 17h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 48m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Gallatin County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Rain Showers
Chance Light Rain then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Forsyth and Kalispell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Forsyth and Kalispell.
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1
Start on the route
25 m · 12 sec
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2
Turn left onto North 10th Avenue
46 m · 9 sec · North 10th Avenue
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3
Turn right onto Main Street
1.5 km · 2 min · Main Street
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4
Turn sharp left
1414 ft · 26 sec
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5
Take the ramp right
1647 ft · 40 sec
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6
Merge slight left
93.2 mi · 1 hr 38 min
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7
Merge slight left
2.8 mi · 3 min
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8
Continue straight
112.8 mi · 1 hr 52 min
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9
Continue straight
7 mi · 7 min
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10
Continue straight
113.4 mi · 1 hr 54 min
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11
Keep slight left to continue on I 90 West: Missoula
42.6 mi · 40 min
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12
Take the exit slight right toward US 12 East: Helena, Garrison
1.2 mi · 2 min
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13
At the end of the road, turn right
12.9 mi · 14 min
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14
Turn sharp left
32.5 mi · 35 min
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15
At the end of the road, turn left
23.8 mi · 26 min
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16
Turn right
91.1 mi · 1 hr 44 min
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17
At the end of the road, turn right
1821 ft · 39 sec
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18
Turn left
6.9 mi · 9 min
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19
Turn right onto US 93 South
7.1 mi · 9 min · US 93 South
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20
Turn right onto 1st Avenue East
1.3 km · 2 min · 1st Avenue East
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21
Turn left onto 3rd Street East
130 m · 14 sec · 3rd Street East
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22
Arrive at your destination
0 m · 1 sec · 3rd Street West
Car Route Details
A richer read on the saved driving route between Forsyth and Kalispell.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Main Street
Continue straight
113 mi · 01h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Sunny then Chance Rain Showers leaving Forsyth and Chance Light Rain then Showers And Thunderstorms near Kalispell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Forsyth to Kalispell?
The road trip is about 510.8 miles (822 km) and usually takes 08h 48m 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?
Three Forks is a useful midpoint, sitting about 274.6 miles from Forsyth and 236.2 miles from Kalispell.
How much longer is the road route than the straight-line distance?
The direct path is about 382 miles (614.8 km), while the road route adds roughly 128.8 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 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 $70.15 one way or $140.30 round trip. Estimated CO2 is about 160.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Forsyth and Chance Light Rain then Showers And Thunderstorms near Kalispell.
Stop Ideas Near Three Forks
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 Three Forks.
Bozeman, MT
Butte, MT
Livingston, MT
Flight Path Map
This map shows the direct air route between Forsyth and Kalispell. Straight-line distance: 382.01 mi (614.79 km).
#1 Forsyth
Rosebud county seat and river town near Yellowstone River
| Population | 1,752 |
| Coordinates | 46.2663800, -106.6778100 |
| Altitude | 768 |
| Country | United States |
#2 Kalispell
City in Flathead County, Montana, United States
| Population | 25,329 |
| Coordinates | 48.1957900, -114.3129100 |
| Altitude | 901 |
| Country | United States |
End: 3rd Street West (-114.312918, 48.195812)
Estimated Travel Time
Distance: 822 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 01m |
| 40 mph (64.37 km/h) | 12h 46m |
| 50 mph (80.47 km/h) | 10h 12m |
| 60 mph (96.56 km/h) | 08h 30m |
| 70 mph (112.65 km/h) | 07h 17m |
| 80 mph (129 km/h) | 06h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $70.15 | $140.30 |
| Mid-grade | $4.23 | $76.24 | $152.49 |
| Premium | $4.55 | $81.97 | $163.95 |
| Diesel | $5.41 | $97.52 | $195.05 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.