How far is Glasgow, MT from Sidney, MT?
The driving distance from Glasgow, MT to Sidney, MT is about 140.1 miles (225.4 km), with a travel time of about 02h 25m by car.
- The straight-line flight distance is about 119.5 miles (192.3 km).
- For a round trip, plan for roughly 04h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 25m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Rain Showers
Partly Sunny
Driving Route Map
The map below follows the saved road route between Glasgow and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glasgow and Sidney.
-
1
Start on 6th Street North
12 m · 5 sec · 6th Street North
-
2
Turn right onto 1st Avenue North
1.3 km · 59 sec · 1st Avenue North
-
3
Continue on Highway 2 East
30.1 mi · 34 min · Highway 2 East
-
4
Continue on Lewis and Clark Trail
39.9 mi · 45 min · Lewis and Clark Trail
-
5
Enter the roundabout and take exit 2 toward the route
36 m · 2 sec
-
6
Exit the roundabout
2828 ft · 36 sec
-
7
Enter the roundabout and take exit 2 toward the route
39 m · 2 sec
-
8
Exit the roundabout
31.4 mi · 36 min
-
9
Turn right onto Broadway Avenue
1729 ft · 28 sec · Broadway Avenue
-
10
Turn left onto 1st Street East
35.6 mi · 40 min · 1st Street East
-
11
Continue on West Holly Street
1.4 mi · 2 min · West Holly Street
-
12
Turn right onto North Central Avenue
531 ft · 7 sec · North Central Avenue
-
13
Arrive at your destination
0 m · 1 sec · North Central Avenue
Car Route Details
A richer read on the saved driving route between Glasgow and Sidney.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Lewis and Clark Trail
Continue on Lewis and Clark Trail
39.9 mi · 00h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny then Chance Rain Showers leaving Glasgow 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 Glasgow to Sidney?
The road trip is about 140.1 miles (225.4 km) and usually takes 02h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Poplar is a useful midpoint, sitting about 70 miles from Glasgow and 70.1 miles from Sidney.
How much longer is the road route than the straight-line distance?
The direct path is about 119.5 miles (192.3 km), while the road route adds roughly 20.6 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:38 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.23 one way or $38.46 round trip. Estimated CO2 is about 43.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Glasgow and Partly Sunny near Sidney.
Stop Ideas Near Poplar
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 Poplar.
Wolf Point
Sidney, MT
Glasgow
Williston
Flight Path Map
This map shows the direct air route between Glasgow and Sidney. Straight-line distance: 119.46 mi (192.26 km).
#1 Glasgow
Town in Montana
| Population | 3,315 |
| Coordinates | 48.1969600, -106.6367100 |
| Altitude | 638 |
| 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: 225 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 39m |
| 40 mph (64.37 km/h) | 03h 30m |
| 50 mph (80.47 km/h) | 02h 48m |
| 60 mph (96.56 km/h) | 02h 20m |
| 70 mph (112.65 km/h) | 02h 00m |
| 80 mph (129 km/h) | 01h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $19.23 | $38.46 |
| Mid-grade | $4.23 | $20.90 | $41.80 |
| Premium | $4.55 | $22.47 | $44.94 |
| Diesel | $5.41 | $26.74 | $53.47 |
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 · Jun 10, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.