How far is Missoula, MT from Sidney, MT?
The driving distance from Missoula, MT to Sidney, MT is about 542.8 miles (873.5 km), with a travel time of about 08h 57m by car.
- The straight-line flight distance is about 464.4 miles (747.3 km).
- For a round trip, plan for roughly 17h 54m 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 57m.
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.
Town in Stillwater County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain then Showers And Thunderstorms
Partly Sunny
Driving Route Map
The map below follows the saved road route between Missoula and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Missoula and Sidney.
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1
Start on North Higgins Avenue
6 m · 8 sec · North Higgins Avenue
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2
Turn left onto East Broadway Street
3078 ft · 59 sec · East Broadway Street
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3
Turn left onto Van Buren Street
133 m · 6 sec · Van Buren Street
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4
Take the exit right
1216 ft · 30 sec
-
5
Merge slight left onto Jeannette Rankin Memorial Highway
115.1 mi · 1 hr 49 min · Jeannette Rankin Memorial Highway
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6
Keep slight right
110.8 mi · 1 hr 51 min
-
7
Continue straight
6.9 mi · 6 min
-
8
Continue straight
113 mi · 1 hr 53 min
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9
Continue straight
3.1 mi · 4 min
-
10
Keep slight left to continue on I 94 East: Bismark
212.2 mi · 3 hr 33 min
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11
Take the exit slight right toward MT 16: Glendive, Sidney
1422 ft · 38 sec
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12
Turn left
49 mi · 56 min
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13
Enter the roundabout and take exit 2 toward South Central Avenue
40 m · 2 sec · South Central Avenue
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14
Exit the roundabout onto South Central Avenue
2.5 mi · 3 min · South Central Avenue
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15
Arrive at your destination
0 m · 1 sec · North Central Avenue
Car Route Details
A richer read on the saved driving route between Missoula and Sidney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 94 East
Keep slight left to continue on I 94 East: Bismark
212 mi · 03h 33m
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 Missoula and Partly Sunny near Sidney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Missoula to Sidney?
The road trip is about 542.8 miles (873.5 km) and usually takes 08h 57m 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?
Columbus is a useful midpoint, sitting about 306.3 miles from Missoula and 236.5 miles from Sidney.
How much longer is the road route than the straight-line distance?
The direct path is about 464.4 miles (747.3 km), while the road route adds roughly 78.4 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 $74.55 one way or $149.10 round trip. Estimated CO2 is about 170.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Missoula and Partly Sunny near Sidney.
Stop Ideas Near Columbus
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 Columbus.
Billings, MT
Livingston, MT
Flight Path Map
This map shows the direct air route between Missoula and Sidney. Straight-line distance: 464.36 mi (747.32 km).
#1 Missoula
The most populous city in Missoula County, Montana.
| Population | 76,848 |
| Coordinates | 46.8721500, -113.9940000 |
| Altitude | 978 |
| 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: 874 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 05m |
| 40 mph (64.37 km/h) | 13h 34m |
| 50 mph (80.47 km/h) | 10h 51m |
| 60 mph (96.56 km/h) | 09h 02m |
| 70 mph (112.65 km/h) | 07h 45m |
| 80 mph (129 km/h) | 06h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $74.55 | $149.10 |
| Mid-grade | $4.23 | $81.02 | $162.05 |
| Premium | $4.55 | $87.11 | $174.23 |
| Diesel | $5.41 | $103.64 | $207.28 |
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.