How far is Twin Bridges, MT from Harrison, MT?
The driving distance from Twin Bridges, MT to Harrison, MT is about 50.8 miles (81.7 km), with a travel time of about 01h 07m by car.
- The straight-line flight distance is about 28.5 miles (45.8 km).
- For a round trip, plan for roughly 02h 15m 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 07m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Jefferson County, Montana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow then Snow Showers
Rain And Snow Likely
Driving Route Map
The map below follows the saved road route between Twin Bridges and Harrison.
Turn-by-Turn Driving Directions
Step-by-step road directions between Twin Bridges and Harrison.
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1
Start on Main Street
14.3 mi · 21 min · Main Street
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2
Turn straight onto Montana Highway 55
2.1 mi · 3 min · Montana Highway 55
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3
Continue on State Highway 55
1620 ft · 27 sec · State Highway 55
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4
Turn straight onto Mount Highway 55
9.6 mi · 14 min · Mount Highway 55
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5
Turn right onto West Legion Avenue
2124 ft · 41 sec · West Legion Avenue
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6
Turn left onto North Whitehall Street
2744 ft · 49 sec · North Whitehall Street
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7
Take the ramp right
1023 ft · 25 sec
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8
Merge slight left
6.8 mi · 6 min
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9
Take the exit slight right toward MT 359: Cardwell, Boulder
1555 ft · 39 sec
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10
Turn right
46 m · 3 sec
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11
Continue straight
14.6 mi · 18 min
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12
At the end of the road, turn right
1.6 mi · 2 min
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Twin Bridges and Harrison.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
MT 359
Continue straight
14.6 mi · 00h 18m
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.
Chance Rain And Snow then Snow Showers leaving Twin Bridges and Rain And Snow Likely near Harrison.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Twin Bridges to Harrison?
The road trip is about 50.8 miles (81.7 km) and usually takes 01h 07m 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?
Whitehall is a useful midpoint, sitting about 25.4 miles from Twin Bridges and 25.4 miles from Harrison.
How much longer is the road route than the straight-line distance?
The direct path is about 28.5 miles (45.8 km), while the road route adds roughly 22.3 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:14 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.97 one way or $13.94 round trip. Estimated CO2 is about 15.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow then Snow Showers around Twin Bridges and Rain And Snow Likely near Harrison.
Stop Ideas Near Whitehall
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 Whitehall.
Butte, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Twin Bridges and Harrison. Straight-line distance: 28.45 mi (45.79 km).
#1 Twin Bridges
Town in Montana, USA
| Population | 434 |
| Coordinates | 45.5443700, -112.3311100 |
| Altitude | 1410 |
| Country | United States |
#2 Harrison
Harrison is a place in Montana, United States.
| Population | 0 |
| Coordinates | 45.7007600, -111.7863700 |
| Altitude | 1499 |
| Country | United States |
End: Harrison (-111.78637, 45.70076)
Estimated Travel Time
Distance: 82 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 41m |
| 40 mph (64.37 km/h) | 01h 16m |
| 50 mph (80.47 km/h) | 01h 00m |
| 60 mph (96.56 km/h) | 00h 50m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.97 | $13.94 |
| Mid-grade | $4.23 | $7.57 | $15.15 |
| Premium | $4.55 | $8.14 | $16.29 |
| Diesel | $5.41 | $9.69 | $19.37 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.