How far is Sidney, MT from Glasgow, MT?

The driving distance from Sidney, MT to Glasgow, MT is about 140.2 miles (225.6 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 119.5 miles (192.3 km).
  • For a round trip, plan for roughly 05h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
140.21 mi
02h 40m
Flight
119.46 mi
192.26 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sidney.

Flight Distance

Direct air line
119.46 mi
Kilometers
192.26 km
Flight Time
00h 14m

Driving Distance

Road route
140.21 mi
Kilometers
225.64 km
Drive Time
02h 40m

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 40m.

Arrival Snapshot
Arrive in Glasgow
Thu, Apr 23, 3:50 AM MDT
Return by in Sidney
Thu, Apr 23, 6:30 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sidney
2026-04-23T01:10
Arrive Glasgow
Thu, Apr 23, 3:50 AM MDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:40 AM to 12:40 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:10 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sidney
9:30 PM MDT
Morning start is best

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.

Mid-route stop
Poplar
MT

City in Montana

From Sidney
70 mi
01h 20m
To Glasgow
70.3 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Thursday

Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
22 to 31 mph NW
Destination
47°F
Thursday

Rain And Snow Showers Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
28 to 35 mph NW

Driving Route Map

The map below follows the saved road route between Sidney and Glasgow.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sidney and Glasgow.

  1. 1

    Start on North Central Avenue

    531 ft · 14 sec · North Central Avenue

  2. 2

    Turn left onto West Holly Street

    1.4 mi · 2 min · West Holly Street

  3. 3

    Continue on State Highway 16

    35.6 mi · 40 min · State Highway 16

  4. 4

    Turn right onto Broadway Avenue

    1729 ft · 28 sec · Broadway Avenue

  5. 5

    At the end of the road, turn left onto 6th Street West

    31.4 mi · 36 min · 6th Street West

  6. 6

    Enter the roundabout and take exit 2 toward the route

    39 m · 2 sec

  7. 7

    Exit the roundabout

    2836 ft · 36 sec

  8. 8

    Enter the roundabout and take exit 2 toward the route

    38 m · 2 sec

  9. 9

    Exit the roundabout

    70.8 mi · 1 hr 21 min

  10. 10

    Turn left onto 6th Street North

    12 m · 1 sec · 6th Street North

  11. 11

    Arrive at your destination

    0 m · 1 sec · 6th Street North

Car Route Details

A richer read on the saved driving route between Sidney and Glasgow.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
11 steps
8 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
6th Street West
103 mi · 73%
State Highway 16
35.6 mi · 25%
West Holly Street
1.38 mi · 1%
Broadway Avenue
0.33 mi
North Central Avenue
0.1 mi
6th Street North
0.01 mi
Longest Stretch

6th Street West

Exit the roundabout

70.8 mi · 01h 21m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 40m
Day trip friendly
Same-Day Return
05h 20m
Round-trip wheel time
Road vs Air
+20.7 mi
119.5 mi direct line
Halfway Stop
Poplar
01h 20m from Sidney
Leave By
1:10 PM MDT
Morning start is best
Weather Watch

Rain Showers leaving Sidney and Rain And Snow Showers Likely near Glasgow.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sidney to Glasgow?

The road trip is about 140.2 miles (225.6 km) and usually takes 02h 40m 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 Sidney and 70.3 miles from Glasgow.

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 20.7 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 1:10 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.27 one way or $38.54 round trip. Estimated CO2 is about 44 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Sidney and Rain And Snow Showers Likely near Glasgow.

Stop Ideas Near Poplar

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Poplar, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Poplar.

RAIL

Wolf Point

33 mi away
320 Front Street
BUS

Sidney, MT

88 mi away
1201 West Holly Street
RAIL

Glasgow

107 mi away
424 1st Avenue South
RAIL

Williston

117 mi away
1 South Main Street

Flight Path Map

This map shows the direct air route between Sidney and Glasgow. Straight-line distance: 119.46 mi (192.26 km).

Sidney

#1 Sidney

City in Montana, United States

Population6,297
Coordinates47.7166800, -104.1563300
Altitude594
CountryUnited States
Glasgow

#2 Glasgow

Town in Montana

Population3,315
Coordinates48.1969600, -106.6367100
Altitude638
CountryUnited States
Start: Sidney (-104.15633, 47.71668)
End: Glasgow (-106.63671, 48.19696)

Estimated Travel Time

Distance: 226 km by road

SpeedTime
30 mph (48.3 km/h)04h 40m
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.

One-way fuel
4.95 gal
18.73 L · about $19.27
Round trip
$38.54
9.9 gal · 37.46 L
Estimated CO2
44 kg one way
Round trip: 88 kg / 194 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $19.27 $38.54
Mid-grade $4.23 $20.94 $41.89
Premium $4.55 $22.52 $45.04
Diesel $5.41 $26.79 $53.58

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

There is no time difference between Sidney and Glasgow. The current time is 01:10:30.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.