How far is Missoula, MT from Three Forks, MT?
The driving distance from Missoula, MT to Three Forks, MT is about 190.9 miles (307.3 km), with a travel time of about 04h 12m by car.
- The straight-line flight distance is about 139.5 miles (224.5 km).
- For a round trip, plan for roughly 08h 25m 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 04h 12m.
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.
Town in Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Widespread Frost then Mostly Sunny
Slight Chance Light Snow then Partly Sunny
Driving Route Map
The map below follows the saved road route between Missoula and Three Forks.
Turn-by-Turn Driving Directions
Step-by-step road directions between Missoula and Three Forks.
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1
Start on North Higgins Avenue
6 m · 8 sec · North Higgins Avenue
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2
Turn left onto East Broadway Street
3078 ft · 59 sec · East Broadway Street
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3
Turn left onto Van Buren Street
133 m · 6 sec · Van Buren Street
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4
Take the exit right
1216 ft · 30 sec
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5
Merge slight left onto Jeannette Rankin Memorial Highway
3.9 mi · 5 min · Jeannette Rankin Memorial Highway
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6
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148.5 mi · 2 hr 48 min
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7
Take the exit slight right toward I 15 South: Great Falls
1323 ft · 32 sec
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8
Merge slight left onto First Special Service Force Memorial Highway
9.5 mi · 9 min · First Special Service Force Memorial Highway
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9
Take the exit slight right toward I 15 Business
1262 ft · 31 sec
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10
Turn left onto Central Avenue West
1.5 mi · 2 min · Central Avenue West
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11
Continue on First Avenue North Bridge
1055 ft · 18 sec · First Avenue North Bridge
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12
Continue on 1st Avenue North
1.2 mi · 2 min · 1st Avenue North
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13
Turn right onto 14th Street North
1.3 km · 1 min · 14th Street North
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14
Turn left onto 10th Avenue South
6.2 mi · 8 min · 10th Avenue South
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15
Turn right onto Stockett Road
9.5 mi · 23 min · Stockett Road
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16
Turn left onto Cottonwood Coulee Road
4.1 mi · 16 min · Cottonwood Coulee Road
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17
Continue on Cottonwood Coulee Road
1.8 mi · 7 min · Cottonwood Coulee Road
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18
Continue on Cottonwood Coulee Road
2.4 mi · 9 min · Cottonwood Coulee Road
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19
Arrive at your destination
0 m · 1 sec · Cottonwood Coulee Road
Car Route Details
A richer read on the saved driving route between Missoula and Three Forks.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
MT 200 East
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148 mi · 02h 48m
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.
Widespread Frost then Mostly Sunny leaving Missoula and Slight Chance Light Snow then Partly Sunny near Three Forks.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Missoula to Three Forks?
The road trip is about 190.9 miles (307.3 km) and usually takes 04h 12m 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?
Cascade is a useful midpoint, sitting about 95.3 miles from Missoula and 95.6 miles from Three Forks.
How much longer is the road route than the straight-line distance?
The direct path is about 139.5 miles (224.5 km), while the road route adds roughly 51.4 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 8:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.24 one way or $52.48 round trip. Estimated CO2 is about 59.9 kg one way.
What should you check before leaving?
Before you leave, expect Widespread Frost then Mostly Sunny around Missoula and Slight Chance Light Snow then Partly Sunny near Three Forks.
Flight Path Map
This map shows the direct air route between Missoula and Three Forks. Straight-line distance: 139.52 mi (224.54 km).
#1 Missoula
The most populous city in Missoula County, Montana.
| Population | 76,848 |
| Coordinates | 46.8721500, -113.9940000 |
| Altitude | 978 |
| Country | United States |
#2 Three Forks
City in Cascade County, Montana, United States
| Population | 2,043 |
| Coordinates | 47.2816300, -111.0902400 |
| Altitude | 1208 |
| Country | United States |
End: Three Forks (-111.09024, 47.28163)
Estimated Travel Time
Distance: 307 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 21m |
| 40 mph (64.37 km/h) | 04h 46m |
| 50 mph (80.47 km/h) | 03h 49m |
| 60 mph (96.56 km/h) | 03h 10m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $26.24 | $52.48 |
| Mid-grade | $4.23 | $28.52 | $57.03 |
| Premium | $4.55 | $30.66 | $61.32 |
| Diesel | $5.41 | $36.48 | $72.95 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.