How far is Great Falls, MT from Billings, MT?
The driving distance from Great Falls, MT to Billings, MT is about 218.7 miles (352 km), with a travel time of about 03h 53m by car.
- The straight-line flight distance is about 178.1 miles (286.6 km).
- For a round trip, plan for roughly 07h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 53m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Wheatland County, Montana, 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 Great Falls and Billings.
Turn-by-Turn Driving Directions
Step-by-step road directions between Great Falls and Billings.
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1
Start on 4th Street South
49 m · 12 sec · 4th Street South
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2
Turn left onto 5th Avenue South
130 m · 21 sec · 5th Avenue South
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3
Turn right onto 5th Street South
1988 ft · 36 sec · 5th Street South
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4
Turn left onto 10th Avenue South
5.7 mi · 8 min · 10th Avenue South
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5
Continue straight
17.6 mi · 19 min
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6
Enter the roundabout and take exit 2 toward the route
68 m · 3 sec
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7
Exit the roundabout
1606 ft · 21 sec
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8
Turn straight
64.3 mi · 1 hr 10 min
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9
Turn right
39.2 mi · 43 min
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10
Turn left
45.1 mi · 51 min
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11
Turn right
12.4 mi · 14 min
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12
Continue straight
2.5 mi · 3 min
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13
Continue straight
25.5 mi · 29 min
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14
Enter the roundabout and take exit 2 toward the route
38 m · 2 sec
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15
Exit the roundabout
3.1 mi · 4 min
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16
Enter the roundabout and take exit 1 toward North 27th Street
11 m · 1 sec · North 27th Street
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17
Exit the roundabout onto North 27th Street
2.2 mi · 4 min · North 27th Street
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18
Turn left onto Montana Avenue
933 ft · 34 sec · Montana Avenue
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19
Arrive at your destination
0 m · 1 sec · Montana Avenue
Car Route Details
A richer read on the saved driving route between Great Falls and Billings.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn straight
64.3 mi · 01h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Great Falls and Sunny near Billings.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Great Falls to Billings?
The road trip is about 218.7 miles (352 km) and usually takes 03h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Judith Gap is a useful midpoint, sitting about 109.2 miles from Great Falls and 109.5 miles from Billings.
How much longer is the road route than the straight-line distance?
The direct path is about 178.1 miles (286.6 km), while the road route adds roughly 40.6 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 9:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.05 one way or $60.11 round trip. Estimated CO2 is about 68.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Great Falls and Sunny near Billings.
Flight Path Map
This map shows the direct air route between Great Falls and Billings. Straight-line distance: 178.07 mi (286.57 km).
#1 Great Falls
Town in Cascade County, Montana, United States
| Population | 58,353 |
| Coordinates | 47.5002400, -111.3008100 |
| Altitude | 1015 |
| Country | United States |
#2 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| Country | United States |
End: Montana Avenue (-108.500696, 45.783296)
Estimated Travel Time
Distance: 352 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 17m |
| 40 mph (64.37 km/h) | 05h 28m |
| 50 mph (80.47 km/h) | 04h 22m |
| 60 mph (96.56 km/h) | 03h 38m |
| 70 mph (112.65 km/h) | 03h 07m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $30.05 | $60.11 |
| Mid-grade | $4.23 | $32.66 | $65.33 |
| Premium | $4.55 | $35.12 | $70.24 |
| Diesel | $5.41 | $41.78 | $83.56 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.