How far is Billings, MT from Dillon, MT?
The driving distance from Billings, MT to Dillon, MT is about 256.1 miles (412.2 km), with a travel time of about 04h 45m by car.
- The straight-line flight distance is about 204.1 miles (328.5 km).
- For a round trip, plan for roughly 09h 31m 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 45m.
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.
City and the county seat of Park County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Chance Light Rain then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Billings and Dillon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Billings and Dillon.
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1
Start on Montana Avenue
589 ft · 25 sec · Montana Avenue
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2
Turn left onto North 23rd Street
114 m · 22 sec · North 23rd Street
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3
Turn left onto 1st Avenue North
1.5 km · 3 min · 1st Avenue North
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4
Turn left onto Division Street
136 m · 10 sec · Division Street
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5
Continue on Montana Avenue
1.3 mi · 2 min · Montana Avenue
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6
Continue on Laurel Road
1.4 mi · 2 min · Laurel Road
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7
Keep slight right to continue on Butte, I 90 West
1963 ft · 48 sec
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8
Merge slight right
105.4 mi · 1 hr 43 min
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9
Continue straight
7 mi · 7 min
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10
Continue straight
83.5 mi · 1 hr 23 min
-
11
Take the exit slight right toward MT 55: Whitehall
1408 ft · 42 sec
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12
Turn left onto Whitetail Road
69 m · 4 sec · Whitetail Road
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13
Continue on North Whitehall Street
2991 ft · 53 sec · North Whitehall Street
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14
At the end of the road, turn right onto West Legion Avenue
2124 ft · 40 sec · West Legion Avenue
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15
Turn left onto State Highway 55
9.6 mi · 14 min · State Highway 55
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16
Turn straight onto State Highway 55
1620 ft · 27 sec · State Highway 55
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17
Continue on Montana Highway 55
2.1 mi · 3 min · Montana Highway 55
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18
Continue on Montana Highway 41
14.4 mi · 21 min · Montana Highway 41
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19
Turn right onto West 4th Avenue
27.2 mi · 40 min · West 4th Avenue
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20
Continue on Montana Street
1.2 km · 1 min · Montana Street
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21
Turn left onto East Helena Street
108 m · 15 sec · East Helena Street
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22
Turn right onto North Idaho Street
982 ft · 43 sec · North Idaho Street
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23
Arrive at your destination
0 m · 1 sec · South Idaho Street
Car Route Details
A richer read on the saved driving route between Billings 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.
Butte
Merge slight right
105 mi · 01h 43m
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving Billings and Chance Light Rain then Showers And Thunderstorms Likely near Dillon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Billings to Dillon?
The road trip is about 256.1 miles (412.2 km) and usually takes 04h 45m 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?
Livingston is a useful midpoint, sitting about 127.8 miles from Billings and 128.3 miles from Dillon.
How much longer is the road route than the straight-line distance?
The direct path is about 204.1 miles (328.5 km), while the road route adds roughly 52 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 7:28 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.19 one way or $70.39 round trip. Estimated CO2 is about 80.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Billings and Chance Light Rain then Showers And Thunderstorms Likely near Dillon.
Stop Ideas Near Livingston
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 Livingston.
Livingston, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Billings and Dillon. Straight-line distance: 204.11 mi (328.48 km).
#1 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| 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: 412 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 32m |
| 40 mph (64.37 km/h) | 06h 24m |
| 50 mph (80.47 km/h) | 05h 07m |
| 60 mph (96.56 km/h) | 04h 16m |
| 70 mph (112.65 km/h) | 03h 39m |
| 80 mph (129 km/h) | 03h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $35.19 | $70.39 |
| Mid-grade | $4.23 | $38.25 | $76.50 |
| Premium | $4.55 | $41.12 | $82.25 |
| Diesel | $5.41 | $48.92 | $97.85 |
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.