via I-90
The drive from Badlands to Sioux Falls takes approximately 6h 22min, covering 351 miles via I-90. Under normal conditions, expect to spend around $40 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 8–9+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
For a long drive like Badlands to Sioux Falls, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
✈️ Flying is faster when you factor in airport time. Flight time is ~42 min but add ~2.5 hours for check-in, security, and boarding.
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
The moderate drive from Badlands to Sioux Falls follows I-90 for 351 miles, with an estimated travel time of 6h 22min under normal conditions. Fuel costs run approximately $40 at current prices, assuming average fuel efficiency of 30 MPG. Mid-morning (9-11 am) is generally the best window to depart for the smoothest ride.
Covering 351 miles, this is a solid half-day drive. Pack some snacks and a good playlist — you'll want to stay comfortable for the journey. A single fuel stop should be sufficient for most vehicles.