How far is Lockwood, MT from Bigfork, MT?
The driving distance from Lockwood, MT to Bigfork, MT is about 436.9 miles (703.1 km), with a travel time of about 07h 38m by car.
- The straight-line flight distance is about 308.6 miles (496.6 km).
- For a round trip, plan for roughly 15h 16m 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 07h 38m.
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.
Consolidated city-county in Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Lockwood and Bigfork.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockwood and Bigfork.
-
1
Start on Johnson Lane
1156 ft · 33 sec · Johnson Lane
-
2
Take the ramp right
2235 ft · 54 sec
-
3
Merge slight left
1.8 mi · 2 min
-
4
Continue straight
112.8 mi · 1 hr 52 min
-
5
Continue straight
7 mi · 7 min
-
6
Continue straight
113.4 mi · 1 hr 54 min
-
7
Keep slight left to continue on I 90 West: Missoula
42.6 mi · 40 min
-
8
Take the exit slight right toward US 12 East: Helena, Garrison
1.2 mi · 2 min
-
9
At the end of the road, turn right
12.9 mi · 14 min
-
10
Turn sharp left
32.5 mi · 35 min
-
11
At the end of the road, turn left
23.8 mi · 26 min
-
12
Turn right
82.6 mi · 1 hr 34 min
-
13
Turn left
4.8 mi · 8 min
-
14
Turn right onto Bridge Street
889 ft · 32 sec · Bridge Street
-
15
Continue on Bridge Street
1509 ft · 1 min · Bridge Street
-
16
Turn right onto Electric Avenue
602 ft · 29 sec · Electric Avenue
-
17
At the end of the road, turn right onto Grand Drive
93 m · 19 sec · Grand Drive
-
18
Turn left onto Cascade Avenue
53 m · 8 sec · Cascade Avenue
-
19
Arrive at your destination
0 m · 1 sec · Cascade Avenue
Car Route Details
A richer read on the saved driving route between Lockwood and Bigfork.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Johnson Lane
Continue straight
113 mi · 01h 54m
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 Lockwood and Mostly Sunny near Bigfork.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockwood to Bigfork?
The road trip is about 436.9 miles (703.1 km) and usually takes 07h 38m 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?
Butte is a useful midpoint, sitting about 218.1 miles from Lockwood and 218.8 miles from Bigfork.
How much longer is the road route than the straight-line distance?
The direct path is about 308.6 miles (496.6 km), while the road route adds roughly 128.3 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 $59.99 one way or $119.98 round trip. Estimated CO2 is about 136.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lockwood and Mostly Sunny near Bigfork.
Flight Path Map
This map shows the direct air route between Lockwood and Bigfork. Straight-line distance: 308.55 mi (496.57 km).
#1 Lockwood
Human settlement in Yellowstone County, Montana, United States of America
| Population | 6,797 |
| Coordinates | 45.8191200, -108.4148600 |
| Altitude | 943 |
| Country | United States |
#2 Bigfork
City in Itasca County, Minnesota, United States of America
| Population | 4,270 |
| Coordinates | 48.0632900, -114.0726100 |
| Altitude | 908 |
| Country | United States |
End: Bigfork (-114.07261, 48.06329)
Estimated Travel Time
Distance: 703 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 33m |
| 40 mph (64.37 km/h) | 10h 55m |
| 50 mph (80.47 km/h) | 08h 44m |
| 60 mph (96.56 km/h) | 07h 16m |
| 70 mph (112.65 km/h) | 06h 14m |
| 80 mph (129 km/h) | 05h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $59.99 | $119.98 |
| Mid-grade | $4.23 | $65.20 | $130.40 |
| Premium | $4.55 | $70.10 | $140.20 |
| Diesel | $5.41 | $83.40 | $166.80 |
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.