How far is Montana City, MT from Great Falls, MT?
The driving distance from Montana City, MT to Great Falls, MT is about 94 miles (151.3 km), with a travel time of about 01h 33m by car.
- The straight-line flight distance is about 72.9 miles (117.3 km).
- For a round trip, plan for roughly 03h 07m 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 01h 33m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 in Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Montana City and Great Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montana City and Great Falls.
-
1
Start on Montana Highway 518
2871 ft · 57 sec · Montana Highway 518
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2
Take the ramp right toward Helena
1539 ft · 38 sec
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3
Merge slight left
90.4 mi · 1 hr 27 min
-
4
Take the exit slight right toward I 15 Business, US 89 South, MT 200 East
2016 ft · 49 sec
-
5
Continue on Country Club Boulevard
1.4 mi · 2 min · Country Club Boulevard
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6
Continue on 10th Avenue South
1.1 km · 58 sec · 10th Avenue South
-
7
Turn left onto 4th Street South
2216 ft · 2 min · 4th Street South
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8
Arrive at your destination
0 m · 1 sec · 4th Street South
Car Route Details
A richer read on the saved driving route between Montana City and Great Falls.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Helena
Merge slight left
90.4 mi · 01h 27m
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.
Sunny leaving Montana City and Sunny near Great Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montana City to Great Falls?
The road trip is about 94 miles (151.3 km) and usually takes 01h 33m 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?
Cascade is a useful midpoint, sitting about 47 miles from Montana City and 47 miles from Great Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 72.9 miles (117.3 km), while the road route adds roughly 21.1 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 3:22 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.92 one way or $25.85 round trip. Estimated CO2 is about 29.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Montana City and Sunny near Great Falls.
Flight Path Map
This map shows the direct air route between Montana City and Great Falls. Straight-line distance: 72.86 mi (117.26 km).
#1 Montana City
Census designated place
| Population | 2,715 |
| Coordinates | 46.5377100, -111.9327700 |
| Altitude | 1236 |
| Country | United States |
#2 Great Falls
Town in Cascade County, Montana, United States
| Population | 58,353 |
| Coordinates | 47.5002400, -111.3008100 |
| Altitude | 1015 |
| Country | United States |
End: Great Falls (-111.30081, 47.50024)
Estimated Travel Time
Distance: 151 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 07m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 52m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 20m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $12.92 | $25.85 |
| Mid-grade | $4.23 | $14.05 | $28.09 |
| Premium | $4.55 | $15.10 | $30.21 |
| Diesel | $5.41 | $17.97 | $35.94 |
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 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.