How far is Kalispell, MT from Big Sky, MT?
The driving distance from Kalispell, MT to Big Sky, MT is about 346.5 miles (557.7 km), with a travel time of about 06h 24m by car.
- The straight-line flight distance is about 244.7 miles (393.8 km).
- For a round trip, plan for roughly 12h 49m 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 06h 24m.
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 and the county seat of Powell County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain then Showers And Thunderstorms
Chance Rain And Snow then Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Kalispell and Big Sky.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kalispell and Big Sky.
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1
Start on 3rd Street West
130 m · 16 sec · 3rd Street West
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2
Turn right onto 1st Avenue East
1.3 km · 2 min · 1st Avenue East
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3
Turn left onto US 93 South
2.7 mi · 4 min · US 93 South
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4
Turn left onto Snowline Lane
1.6 km · 4 min · Snowline Lane
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5
Turn right onto Demersville Road
1311 ft · 59 sec · Demersville Road
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6
At the end of the road, turn right onto Rocky Cliff Drive
89 m · 20 sec · Rocky Cliff Drive
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7
Turn left onto US 93 South
3.6 mi · 4 min · US 93 South
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8
Turn left
6.9 mi · 9 min
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9
Turn right
1821 ft · 37 sec
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10
Turn left
91.1 mi · 1 hr 44 min
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11
Turn left
23.8 mi · 26 min
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12
Turn right onto State Highway 141
32.5 mi · 35 min · State Highway 141
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13
Turn sharp right
12.9 mi · 14 min
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14
Turn left
2539 ft · 43 sec
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15
Continue straight
802 ft · 14 sec
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16
Take the ramp straight
1.4 km · 2 min
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17
Merge slight left
45 mi · 42 min
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18
Keep slight right
75.3 mi · 1 hr 15 min
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19
Take the exit slight right toward MT 291, MT 85: Belgrade, West Yellowstone
1374 ft · 38 sec
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20
Turn left onto Amsterdam Road
1.3 km · 60 sec · Amsterdam Road
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21
Turn right onto Jackrabbit Lane
6.5 mi · 7 min · Jackrabbit Lane
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22
Continue on Gallatin Road
33.9 mi · 41 min · Gallatin Road
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23
Turn right onto Lone Mountain Trail
7.1 mi · 11 min · Lone Mountain Trail
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24
Turn left onto Lone Moose Drive
61 m · 7 sec · Lone Moose Drive
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25
Keep slight right to continue on Access
156 m · 23 sec · Access
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26
Arrive at your destination
0 m · 1 sec · Access
Car Route Details
A richer read on the saved driving route between Kalispell and Big Sky.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn left
91.1 mi · 01h 44m
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.
Chance Light Rain then Showers And Thunderstorms leaving Kalispell and Chance Rain And Snow then Snow Showers Likely near Big Sky.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kalispell to Big Sky?
The road trip is about 346.5 miles (557.7 km) and usually takes 06h 24m 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?
Deer Lodge is a useful midpoint, sitting about 173.1 miles from Kalispell and 173.5 miles from Big Sky.
How much longer is the road route than the straight-line distance?
The direct path is about 244.7 miles (393.8 km), while the road route adds roughly 101.8 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 $47.61 one way or $95.22 round trip. Estimated CO2 is about 108.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Kalispell and Chance Rain And Snow then Snow Showers Likely near Big Sky.
Stop Ideas Near Deer Lodge
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 Deer Lodge.
Butte, MT
Missoula, MT
Flight Path Map
This map shows the direct air route between Kalispell and Big Sky. Straight-line distance: 244.7 mi (393.8 km).
#1 Kalispell
City in Flathead County, Montana, United States
| Population | 25,329 |
| Coordinates | 48.1957900, -114.3129100 |
| Altitude | 901 |
| Country | United States |
#2 Big Sky
Census designated place
| Population | 2,308 |
| Coordinates | 45.2846500, -111.3682900 |
| Altitude | 2200 |
| Country | United States |
End: Big Sky (-111.36829, 45.28465)
Estimated Travel Time
Distance: 558 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 32m |
| 40 mph (64.37 km/h) | 08h 39m |
| 50 mph (80.47 km/h) | 06h 55m |
| 60 mph (96.56 km/h) | 05h 46m |
| 70 mph (112.65 km/h) | 04h 57m |
| 80 mph (129 km/h) | 04h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $47.61 | $95.22 |
| Mid-grade | $4.23 | $51.75 | $103.49 |
| Premium | $4.55 | $55.63 | $111.27 |
| Diesel | $5.41 | $66.19 | $132.38 |
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.