Is there a train to Sioux Falls?

No, there is no passenger rail service to Sioux Falls.

How long does it take to drive?

It takes approximately 6 hours of driving time.

Are there tolls on I-90?

No, I-90 is toll-free across South Dakota.

What is the best month to drive?

June or July offers the most stable weather conditions.

Intercity bus service is extremely limited; driving is the standard method.

Hill City

Sioux Falls

Flight Driving

Hill City to Sioux Falls

Updated: 28 May 2026

The route from Hill City to Sioux Falls spans approximately 560 kilometers across the entire width of South Dakota. The primary mode of travel is driving via Interstate 90, which takes about 6 hours. Alternatively, you can drive to Rapid City Regional Airport and take a connecting flight to Sioux Falls. This journey traverses the Great Plains, offering a transition from the Black Hills to the eastern prairies. It is a straightforward drive with consistent highway speeds.

Total Distance: 560 km driving distance, 530 km straight-line air distance.

Fastest Way

Driving is the fastest method, taking 6 hours compared to flight times with layovers.

Cheapest Way

Driving is significantly cheaper than flying, costing roughly 75 USD in fuel.

Compare Hill City to Sioux Falls Routes

	Flight Connecting	Driving Direct
Duration	4 hours including layover	6 hours
Avg Price	250 to 450 USD	60 to 90 USD in fuel
Operator	United Airlines	Personal Vehicle
Route	RAP to FSD via DEN	I-90 East
Tip	Flights usually connect through Denver, making driving often faster.	Stop in Mitchell to see the World's Only Corn Palace.

Travel Tips

I-90 Speed
The speed limit is 80 mph on most rural sections of I-90.
Rest Stops
Use the official South Dakota rest areas which are clean and well-maintained.
Weather Alerts
Download the SD511 app to monitor road conditions during winter.
Fuel Stops
Rapid City and Sioux Falls have the best fuel prices; avoid remote stations.
Time Zones
Remember that you cross from Mountain Time to Central Time near the Missouri River.

Safety Tips

Wind
High crosswinds are common on the plains; keep a firm grip on the steering wheel.
Fatigue
The long, straight roads can cause driver fatigue; take breaks every two hours.
Winter Driving
Carry an emergency kit with blankets and water if traveling between November and April.
Wildlife
Watch for deer at dawn and dusk, especially near the river valleys.