How far is Billings, MT from Hardin, MT?
The driving distance from Billings, MT to Hardin, MT is about 46.5 miles (74.8 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 43 miles (69.2 km).
- For a round trip, plan for roughly 01h 38m 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 00h 49m.
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.
Human settlement in Yellowstone County, Montana, United States of America
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 Billings and Hardin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Billings and Hardin.
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1
Start on Montana Avenue
2446 ft · 1 min · Montana Avenue
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2
Turn left onto North 18th Street
128 m · 9 sec · North 18th Street
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3
At the end of the road, turn right onto 1st Avenue North
1.1 km · 1 min · 1st Avenue North
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4
Continue on 1st Avenue North
84 m · 8 sec · 1st Avenue North
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5
Turn right onto US Highway 87 East
1.3 mi · 2 min · US Highway 87 East
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6
Turn left
1595 ft · 41 sec
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7
Continue straight
3.1 mi · 4 min
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8
Keep slight right to continue on I 90 East: Sheridan
39.2 mi · 37 min
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9
Take the exit slight right toward I 90 Business, MT 47: Hardin City Center
1726 ft · 43 sec
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10
Turn right
773 ft · 18 sec
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11
Continue on North Crawford Avenue
1242 ft · 30 sec · North Crawford Avenue
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12
Turn left onto North Crawford Avenue
2759 ft · 2 min · North Crawford Avenue
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13
Arrive at your destination
0 m · 1 sec · North Crawford Avenue
Car Route Details
A richer read on the saved driving route between Billings and Hardin.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 East
Keep slight right to continue on I 90 East: Sheridan
39.2 mi · 00h 37m
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving Billings and Partly Sunny then Chance Rain Showers near Hardin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Billings to Hardin?
The road trip is about 46.5 miles (74.8 km) and usually takes 00h 49m 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?
Lockwood is a useful midpoint, sitting about 23.2 miles from Billings and 23.3 miles from Hardin.
How much longer is the road route than the straight-line distance?
The direct path is about 43 miles (69.2 km), while the road route adds roughly 3.5 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 4:52 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.38 one way or $12.77 round trip. Estimated CO2 is about 14.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Billings and Partly Sunny then Chance Rain Showers near Hardin.
Stop Ideas Near Lockwood
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 Lockwood.
Billings, MT
Flight Path Map
This map shows the direct air route between Billings and Hardin. Straight-line distance: 42.98 mi (69.17 km).
#1 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| Country | United States |
#2 Hardin
City in Big Horn County, Montana, United States of America
| Population | 3,705 |
| Coordinates | 45.7324800, -107.6120300 |
| Altitude | 886 |
| Country | United States |
End: Hardin (-107.61203, 45.73248)
Estimated Travel Time
Distance: 75 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 32m |
| 40 mph (64.37 km/h) | 01h 09m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.38 | $12.77 |
| Mid-grade | $4.23 | $6.94 | $13.88 |
| Premium | $4.55 | $7.46 | $14.92 |
| Diesel | $5.41 | $8.88 | $17.75 |
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.