Distance between cities › USA › Illinois › Royal, IL › Distance from Royal to Reliance Book Hotels

Distance from Royal, IL to Reliance, SD

Distance

808 mi

Time

14 hours 11 mins

Gas Cost

$75 - $146

There are 648.16 miles from Royal to Reliance in northwest direction and 808 miles (1,300.35 kilometers) by car, following the I-29 route.

Royal and Reliance are 14 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Royal, IL to Reliance, SD.

Royal, IL and Reliance, SD are in the same time zone (CDT). Current time in both locations is 8:10 pm.

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Lowest Price Rental Cars in Royal, IL

Planning on renting a car to go from Royal, IL to Reliance, SD? Here there are some offers to rent a car in Royal, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Royal »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 32.45 gallons of gas to cover the route between Royal, IL and Reliance, SD.

The estimated cost of gas to go from Royal to Reliance is $105.86.

During the route, an average car will release 635.81 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Royal, IL and Reliance, SD

If you want to meet halfway between Royal, IL and Reliance, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.517696 and -94.098882, or 41º 31' 3.7056" N, 94º 5' 55.9752" W. This location is 404.03 miles away from Royal, IL and Reliance, SD and it would take approximately 7 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Earlham, IA, situated 404 miles from Royal, IL and 408 miles from Reliance, SD. It would take 7 hours 25 mins to go from Royal to Earlham and 6 hours 54 mins to go from Reliance to Earlham.

Major City Closest to Halfway Point

The major city closest to the halfway point between Royal, IL and Reliance, SD is Des Moines, IA, situated 374 miles from Royal, IL and 434 miles from Reliance, SD. It would take 6 hours 52 mins to go from Royal to Des Moines and 7 hours 24 mins to go from Reliance to Des Moines.