How far is Helena, MT from Glasgow, MT?
The driving distance from Helena, MT to Glasgow, MT is about 361.9 miles (582.5 km), with a travel time of about 06h 37m by car.
- The straight-line flight distance is about 275.7 miles (443.7 km).
- For a round trip, plan for roughly 13h 15m 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 37m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Helena and Glasgow.
Turn-by-Turn Driving Directions
Step-by-step road directions between Helena and Glasgow.
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1
Start on Cruse Avenue
31 m · 6 sec · Cruse Avenue
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2
Turn slight right onto North Last Chance Gulch Street
1.1 mi · 3 min · North Last Chance Gulch Street
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3
Keep slight right to continue on North Last Chance Gulch Street
677 ft · 18 sec · North Last Chance Gulch Street
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4
Continue on Cedar Street
1.2 km · 2 min · Cedar Street
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5
Take the ramp slight right toward I 15 North: Great Falls
1119 ft · 27 sec
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6
Merge slight left onto First Special Service Force Memorial Highway
86.7 mi · 1 hr 24 min · First Special Service Force Memorial Highway
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7
Take the exit slight right
1262 ft · 31 sec
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8
Keep slight right
70 m · 6 sec
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9
Merge slight left onto Central Avenue West
1.2 mi · 1 min · Central Avenue West
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10
Turn left onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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11
Continue on Smelter Avenue Northeast
2885 ft · 45 sec · Smelter Avenue Northeast
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12
Turn left onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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13
Turn left onto 15th Street Northeast
107.3 mi · 1 hr 58 min · 15th Street Northeast
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14
Turn right
3.9 mi · 5 min
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15
Continue straight
157.6 mi · 3 hr
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16
Turn right onto 6th Street North
12 m · 1 sec · 6th Street North
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17
Arrive at your destination
0 m · 1 sec · 6th Street North
Car Route Details
A richer read on the saved driving route between Helena and Glasgow.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
15th Street Northeast
Continue straight
158 mi · 03h 00m
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.
Sunny leaving Helena and Sunny near Glasgow.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Helena to Glasgow?
The road trip is about 361.9 miles (582.5 km) and usually takes 06h 37m 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?
Big Sandy is a useful midpoint, sitting about 180.6 miles from Helena and 181.3 miles from Glasgow.
How much longer is the road route than the straight-line distance?
The direct path is about 275.7 miles (443.7 km), while the road route adds roughly 86.2 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 $49.71 one way or $99.43 round trip. Estimated CO2 is about 113.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Helena and Sunny near Glasgow.
Stop Ideas Near Big Sandy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Postal Service
Chouteau County Shop
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Big Sandy.
Havre station
Flight Path Map
This map shows the direct air route between Helena and Glasgow. Straight-line distance: 275.71 mi (443.72 km).
#1 Helena
State capital of Montana, United States and seat of Lewis and Clark County
| Population | 33,737 |
| Coordinates | 46.5927100, -112.0361100 |
| Altitude | 1237 |
| Country | United States |
#2 Glasgow
Town in Montana
| Population | 3,315 |
| Coordinates | 48.1969600, -106.6367100 |
| Altitude | 638 |
| Country | United States |
End: Glasgow (-106.63671, 48.19696)
Estimated Travel Time
Distance: 583 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 03m |
| 40 mph (64.37 km/h) | 09h 02m |
| 50 mph (80.47 km/h) | 07h 14m |
| 60 mph (96.56 km/h) | 06h 01m |
| 70 mph (112.65 km/h) | 05h 10m |
| 80 mph (129 km/h) | 04h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $49.71 | $99.43 |
| Mid-grade | $4.23 | $54.03 | $108.06 |
| Premium | $4.55 | $58.09 | $116.18 |
| Diesel | $5.41 | $69.11 | $138.22 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.