Driving
Billings to Rapid City
Updated: 28 May 2026
The drive from Billings to Rapid City is approximately 400 miles. You will travel east on I-90 through the plains of Montana and Wyoming. The journey takes about 6 hours. You will pass through the beautiful Black Hills region. This route is a popular path for those visiting Mount Rushmore.
Total Distance: 640 km driving, 550 km air.
Fastest Way
Driving is the fastest, taking 6 hours.
Cheapest Way
Driving is the only practical way to make this trip.
Compare Billings to Rapid City Routes
Driving
Direct
Duration
6 hours
Avg Price
$60-$100
Operator
Personal Vehicle
Route
I-90 East
Watch for wildlife on the plains.
Travel Tips
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WildlifeBe alert for deer and antelope crossing the road.
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FuelFill up in Gillette to avoid running low on remote stretches.
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Winter DrivingCarry emergency supplies in your car during winter.
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NavigationDownload offline maps as cell service is spotty.
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BookingBook hotels in advance during peak summer season.
Safety Tips
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Road ConditionsCheck SDDOT for road closures before departing.
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EmergencyKeep a winter emergency kit in your vehicle.
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FatigueTake breaks every 2 hours to stay alert.
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SpeedObserve speed limits, especially in construction zones.
People Also Ask
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Is there a flight?No direct flights exist between Billings and Rapid City.
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How long is the drive?Approximately 6 hours.
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Is I-90 safe?Yes, but watch for wildlife.
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Can I take a bus?Bus options are limited and very slow.
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What is the best time to drive?Daylight hours during summer.
Quick Info
- From Billings, Montana, United States
- To Rapid City, South Dakota, United States
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Modes
Best Time to Travel
Summer and early autumn for the best weather.
Things to Do in Rapid City
1
Mount Rushmore
Iconic monument featuring the faces of four U.S. presidents.
2
Badlands National Park
Stunning landscape with unique rock formations.
3
Custer State Park
Great for wildlife viewing, including bison.
4
Crazy Horse Memorial
Massive mountain carving dedicated to the Lakota leader.
Tags
Billings to Rapid City
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I-90 route
Montana to South Dakota
travel from Billings
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road trip Billings to South Dakota
