How far is Kalispell, MT from Sidney, MT?
The driving distance from Kalispell, MT to Sidney, MT is about 559.1 miles (899.8 km), with a travel time of about 09h 32m by car.
- The straight-line flight distance is about 470.8 miles (757.6 km).
- For a round trip, plan for roughly 19h 05m 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 09h 32m.
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 Montana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow
Rain Showers
Driving Route Map
The map below follows the saved road route between Kalispell and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kalispell and Sidney.
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1
Start on 3rd Street West
1169 ft · 39 sec · 3rd Street West
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2
Turn left onto 3rd Avenue East
112 m · 12 sec · 3rd Avenue East
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3
Turn right onto 2nd Street East
1235 ft · 34 sec · 2nd Street East
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4
Continue on Conrad Drive
1451 ft · 45 sec · Conrad Drive
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5
Turn left onto Woodland Park Drive
2161 ft · 1 min · Woodland Park Drive
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6
Turn right onto US Route 2
1.2 mi · 2 min · US Route 2
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7
Turn straight onto State Highway 35
2.4 mi · 4 min · State Highway 35
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8
Continue straight
3.3 mi · 4 min
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9
Turn left
9.7 mi · 12 min
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10
At the end of the road, turn right onto US 2
1.7 mi · 2 min · US 2
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11
Continue on US Route 2
80.1 mi · 1 hr 31 min · US Route 2
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12
Enter the roundabout and take exit 1 toward the route
7 m · 1 sec
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13
Exit the roundabout
3.7 mi · 7 min
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14
Turn straight
54.9 mi · 1 hr 4 min
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15
Continue on 5th Avenue North
138 m · 17 sec · 5th Avenue North
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16
Turn left onto Main Street
1.2 km · 2 min · Main Street
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17
Continue on Roosevelt Highway
102.8 mi · 1 hr 56 min · Roosevelt Highway
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18
Continue straight
228.4 mi · 4 hr 20 min
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19
Enter the roundabout and take exit 2 toward the route
36 m · 2 sec
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20
Exit the roundabout
2828 ft · 36 sec
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21
Enter the roundabout and take exit 2 toward the route
39 m · 2 sec
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22
Exit the roundabout
31.4 mi · 36 min
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23
Turn right onto Broadway Avenue
1729 ft · 28 sec · Broadway Avenue
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24
Turn left onto 1st Street East
35.6 mi · 40 min · 1st Street East
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25
Continue on West Holly Street
1.4 mi · 2 min · West Holly Street
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26
Turn right onto North Central Avenue
531 ft · 7 sec · North Central Avenue
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27
Arrive at your destination
0 m · 1 sec · North Central Avenue
Car Route Details
A richer read on the saved driving route between Kalispell and Sidney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Roosevelt Highway
Continue straight
228 mi · 04h 20m
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 Rain And Snow leaving Kalispell and Rain Showers near Sidney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kalispell to Sidney?
The road trip is about 559.1 miles (899.8 km) and usually takes 09h 32m 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?
Chinook is a useful midpoint, sitting about 279.2 miles from Kalispell and 279.9 miles from Sidney.
How much longer is the road route than the straight-line distance?
The direct path is about 470.8 miles (757.6 km), while the road route adds roughly 88.3 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 $76.81 one way or $153.62 round trip. Estimated CO2 is about 175.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow around Kalispell and Rain Showers near Sidney.
Stop Ideas Near Chinook
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 Chinook.
Havre station
Malta
Flight Path Map
This map shows the direct air route between Kalispell and Sidney. Straight-line distance: 470.78 mi (757.65 km).
#1 Kalispell
City in Flathead County, Montana, United States
| Population | 25,329 |
| Coordinates | 48.1957900, -114.3129100 |
| Altitude | 901 |
| Country | United States |
#2 Sidney
City in Montana, United States
| Population | 6,297 |
| Coordinates | 47.7166800, -104.1563300 |
| Altitude | 594 |
| Country | United States |
End: North Central Avenue (-104.156325, 47.716678)
Estimated Travel Time
Distance: 900 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 37m |
| 40 mph (64.37 km/h) | 13h 58m |
| 50 mph (80.47 km/h) | 11h 10m |
| 60 mph (96.56 km/h) | 09h 19m |
| 70 mph (112.65 km/h) | 07h 59m |
| 80 mph (129 km/h) | 06h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $76.81 | $153.62 |
| Mid-grade | $4.23 | $83.48 | $166.96 |
| Premium | $4.55 | $89.75 | $179.50 |
| Diesel | $5.41 | $106.78 | $213.56 |
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.