How far is Belgrade, MT from Sidney, MT?
The driving distance from Belgrade, MT to Sidney, MT is about 421.7 miles (678.6 km), with a travel time of about 06h 16m by car.
- The straight-line flight distance is about 358.2 miles (576.5 km).
- For a round trip, plan for roughly 12h 32m 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 16m.
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 Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Partly Sunny
Driving Route Map
The map below follows the saved road route between Belgrade and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Belgrade and Sidney.
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1
Start on East Main Street
2371 ft · 1 min · East Main Street
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2
Continue on Frontage Road
2586 ft · 55 sec · Frontage Road
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3
Turn right onto Airway Boulevard
825 ft · 19 sec · Airway Boulevard
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4
Enter the roundabout and take exit 2 toward Airway Boulevard
46 m · 3 sec · Airway Boulevard
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5
Exit the roundabout onto Airway Boulevard
1694 ft · 34 sec · Airway Boulevard
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6
Enter the roundabout and take exit 3 toward the route
808 ft · 16 sec
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7
Exit the roundabout
1414 ft · 34 sec
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8
Merge slight left
156.1 mi · 2 hr 38 min
-
9
Keep slight left to continue on I 94 East: Bismark
212.2 mi · 3 hr 33 min
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10
Take the exit slight right toward MT 16: Glendive, Sidney
1422 ft · 38 sec
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11
Turn left
49 mi · 56 min
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12
Enter the roundabout and take exit 2 toward South Central Avenue
40 m · 2 sec · South Central Avenue
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13
Exit the roundabout onto South Central Avenue
2.5 mi · 3 min · South Central Avenue
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14
Arrive at your destination
0 m · 1 sec · North Central Avenue
Car Route Details
A richer read on the saved driving route between Belgrade 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.
Light Rain Likely leaving Belgrade 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 Belgrade to Sidney?
The road trip is about 421.7 miles (678.6 km) and usually takes 06h 16m 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?
Hysham is a useful midpoint, sitting about 210.6 miles from Belgrade and 211.1 miles from Sidney.
How much longer is the road route than the straight-line distance?
The direct path is about 358.2 miles (576.5 km), while the road route adds roughly 63.5 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 $57.93 one way or $115.86 round trip. Estimated CO2 is about 132.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Belgrade and Partly Sunny near Sidney.
Stop Ideas Near Hysham
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 Hysham.
Miles City, MT
Billings, MT
Flight Path Map
This map shows the direct air route between Belgrade and Sidney. Straight-line distance: 358.25 mi (576.54 km).
#1 Belgrade
City in Gallatin County, Montana, USA
| Population | 10,390 |
| Coordinates | 45.7760400, -111.1769000 |
| Altitude | 1359 |
| 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: 679 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 02m |
| 40 mph (64.37 km/h) | 10h 32m |
| 50 mph (80.47 km/h) | 08h 25m |
| 60 mph (96.56 km/h) | 07h 01m |
| 70 mph (112.65 km/h) | 06h 01m |
| 80 mph (129 km/h) | 05h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $57.93 | $115.86 |
| Mid-grade | $4.23 | $62.96 | $125.91 |
| Premium | $4.55 | $67.69 | $135.38 |
| Diesel | $5.41 | $80.53 | $161.06 |
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.