How far is Bozeman, MT from Dillon, MT?
The driving distance from Bozeman, MT to Dillon, MT is about 115 miles (185.1 km), with a travel time of about 02h 24m by car.
- The straight-line flight distance is about 83.9 miles (135 km).
- For a round trip, plan for roughly 04h 48m 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 02h 24m.
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.
Partly Sunny then Chance Rain Showers
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Bozeman and Dillon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Dillon.
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1
Start on North Willson Avenue
2143 ft · 1 min · North Willson Avenue
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2
Turn left onto West Peach Street
1896 ft · 42 sec · West Peach Street
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3
Turn right onto North 7th Avenue
1.4 km · 2 min · North 7th Avenue
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4
Turn left
57.6 mi · 57 min
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5
Take the exit slight right toward MT 55: Whitehall
1408 ft · 42 sec
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6
Turn left onto Whitetail Road
69 m · 4 sec · Whitetail Road
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7
Continue on North Whitehall Street
2991 ft · 53 sec · North Whitehall Street
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8
At the end of the road, turn right onto West Legion Avenue
2124 ft · 40 sec · West Legion Avenue
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9
Turn left onto State Highway 55
9.6 mi · 14 min · State Highway 55
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10
Turn straight onto State Highway 55
1620 ft · 27 sec · State Highway 55
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11
Continue on Montana Highway 55
2.1 mi · 3 min · Montana Highway 55
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12
Continue on Montana Highway 41
14.4 mi · 21 min · Montana Highway 41
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13
Turn right onto West 4th Avenue
27.2 mi · 40 min · West 4th Avenue
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14
Continue on Montana Street
1.2 km · 1 min · Montana Street
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15
Turn left onto East Helena Street
108 m · 15 sec · East Helena Street
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16
Turn right onto North Idaho Street
982 ft · 43 sec · North Idaho Street
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17
Arrive at your destination
0 m · 1 sec · South Idaho Street
Car Route Details
A richer read on the saved driving route between Bozeman and Dillon.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn left
57.6 mi · 00h 57m
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.
Partly Sunny then Chance Rain Showers leaving Bozeman and Mostly Sunny then Chance Showers And Thunderstorms near Dillon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Dillon?
The road trip is about 115 miles (185.1 km) and usually takes 02h 24m 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 57.4 miles from Bozeman and 57.6 miles from Dillon.
How much longer is the road route than the straight-line distance?
The direct path is about 83.9 miles (135 km), while the road route adds roughly 31.1 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:42 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.40 one way or $28.81 round trip. Estimated CO2 is about 32.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Bozeman and Mostly Sunny then Chance Showers And Thunderstorms near Dillon.
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 Bozeman and Dillon. Straight-line distance: 83.85 mi (134.95 km).
#1 Bozeman
Town in Gallatin County, Montana, United States
| Population | 50,970 |
| Coordinates | 45.6796500, -111.0385600 |
| Altitude | 1468 |
| Country | United States |
#2 Dillon
City in Montana, United States
| Population | 4,333 |
| Coordinates | 45.2163100, -112.6375200 |
| Altitude | 1555 |
| Country | United States |
End: Dillon (-112.63752, 45.21631)
Estimated Travel Time
Distance: 185 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 49m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $14.40 | $28.81 |
| Mid-grade | $4.23 | $15.65 | $31.31 |
| Premium | $4.55 | $16.83 | $33.66 |
| Diesel | $5.41 | $20.02 | $40.05 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.