How far is Big Timber, MT from Sourdough, MT?
The driving distance from Big Timber, MT to Sourdough, MT is about 9.3 miles (14.9 km), with a travel time of about 00h 21m by car.
- The straight-line flight distance is about 8.2 miles (13.2 km).
- For a round trip, plan for roughly 00h 42m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 21m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Montana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Partly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Big Timber and Sourdough.
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Timber and Sourdough.
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1
Start on McLeod Street
5 m · 6 sec · McLeod Street
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2
Turn left onto East 1st Avenue
1138 ft · 39 sec · East 1st Avenue
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3
Keep slight left to continue on East 1st Avenue
1.5 mi · 3 min · East 1st Avenue
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4
Turn right onto Howie Road
2 mi · 4 min · Howie Road
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5
Turn left onto Rapelje Road
5.5 mi · 13 min · Rapelje Road
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6
Turn left onto Sourdough Road
39 m · 6 sec · Sourdough Road
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7
Arrive at your destination
0 m · 1 sec · Sourdough Road
Car Route Details
A richer read on the saved driving route between Big Timber and Sourdough.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Rapelje Road
Turn left onto Rapelje Road
5.53 mi · 00h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny then Chance Showers And Thunderstorms leaving Big Timber and Partly Sunny then Chance Rain Showers near Sourdough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Big Timber to Sourdough?
The road trip is about 9.3 miles (14.9 km) and usually takes 00h 21m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Absarokee is a useful midpoint, sitting about 4.7 miles from Big Timber and 4.7 miles from Sourdough.
How much longer is the road route than the straight-line distance?
The direct path is about 8.2 miles (13.2 km), while the road route adds roughly 1.1 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:48 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.28 one way or $2.57 round trip. Estimated CO2 is about 2.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Big Timber and Partly Sunny then Chance Rain Showers near Sourdough.
Stop Ideas Near Absarokee
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Absarokee.
Billings, MT
Livingston, MT
Flight Path Map
This map shows the direct air route between Big Timber and Sourdough. Straight-line distance: 8.21 mi (13.22 km).
#1 Big Timber
City in and county seat of Sweet Grass County, Montana, United States
| Population | 1,688 |
| Coordinates | 45.8349400, -109.9554600 |
| Altitude | 1247 |
| Country | United States |
#2 Sourdough
Sourdough is a place in Montana, United States.
| Population | 0 |
| Coordinates | 45.9018900, -109.8143500 |
| Altitude | 1421 |
| Country | United States |
End: Sourdough (-109.81435, 45.90189)
Estimated Travel Time
Distance: 15 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 18m |
| 40 mph (64.37 km/h) | 00h 13m |
| 50 mph (80.47 km/h) | 00h 11m |
| 60 mph (96.56 km/h) | 00h 09m |
| 70 mph (112.65 km/h) | 00h 07m |
| 80 mph (129 km/h) | 00h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $1.28 | $2.57 |
| Mid-grade | $4.23 | $1.40 | $2.79 |
| Premium | $4.55 | $1.50 | $3.00 |
| Diesel | $5.41 | $1.79 | $3.57 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.