Driving
Twin Falls to Sioux Falls
Updated: 30 May 2026
The drive from Twin Falls to Sioux Falls is a 1700-kilometer journey through the beautiful landscapes of Idaho, Montana, and South Dakota. You will primarily follow I-84 East to I-15 North and then I-90 East. The trip takes approximately 16 hours. This route passes through the scenic Rocky Mountains and the Great Plains.
Total Distance: Driving distance 1700 km, straight-line air distance 1400 km.
Fastest Way
Driving via I-84, I-15, and I-90 is the fastest route, taking about 16 hours.
Cheapest Way
Driving your own vehicle is the most economical way to reach Sioux Falls.
Compare Twin Falls to Sioux Falls Routes
Driving
Direct
Duration
16 hours
Avg Price
$220-$280 in fuel
Operator
Personal Vehicle
Route
I-84 E to I-15 N to I-90 E.
Stop in Rapid City for a break; it is a major city on the route.
Travel Tips
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TrafficTraffic is generally light, but be aware of construction zones.
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WeatherMountain weather can change quickly; bring layers.
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FuelGas is readily available along I-90.
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NavigationUse a GPS to navigate the mountain roads.
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RestTake breaks at the many rest areas along I-90.
Safety Tips
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WildlifeWatch for deer and elk crossing the road, especially at night.
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TrafficBe patient in heavy traffic; avoid aggressive driving.
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Emergency KitCarry a basic emergency kit in your car.
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VisibilityUse headlights during the day to increase visibility.
People Also Ask
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Is there a train to Sioux Falls?No, there is no passenger rail service to Sioux Falls.
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How long is the drive?The drive takes about 16 hours.
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Are there tolls?No, there are no toll roads on this route.
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What is the best time to visit?Summer is best for outdoor activities.
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Is Sioux Falls safe?Sioux Falls is a safe city with a friendly community.
Quick Info
- From Twin Falls, Idaho, United States
- To Sioux Falls, South Dakota, United States
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Modes
Best Time to Travel
June to September for the best weather and road conditions.
Things to Do in Sioux Falls
1
Falls Park
Features beautiful waterfalls and a historic mill.
2
Washington Pavilion
Features a museum, theater, and art gallery.
3
Great Plains Zoo
Features a large collection of animals from around the world.
4
SculptureWalk
Features a large collection of outdoor sculptures.
Tags
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I-90 route
Idaho to Sioux Falls South Dakota
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