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

Distance from Royal, IL to Lyons, SD

Distance

672 mi

Time

12 hours 18 mins

Gas Cost

$63 - $122

There are 517.66 miles from Royal to Lyons in northwest direction and 672 miles (1,081.48 kilometers) by car, following the I-29 route.

Royal and Lyons are 12 hours 18 mins far apart, if you drive non-stop .

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

Royal, IL and Lyons, SD are in the same time zone (CDT). Current time in both locations is 3:42 pm.

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Lowest Price Rental Cars in Royal, IL

Planning on renting a car to go from Royal, IL to Lyons, 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 26.99 gallons of gas to cover the route between Royal, IL and Lyons, SD.

The estimated cost of gas to go from Royal to Lyons is $88.05.

During the route, an average car will release 528.85 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 Lyons, SD

If you want to meet halfway between Royal, IL and Lyons, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.695309 and -92.820668, or 41º 41' 43.1124" N, 92º 49' 14.4048" W. This location is 336.07 miles away from Royal, IL and Lyons, SD and it would take approximately 6 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oakland Acres, IA, situated 331 miles from Royal, IL and 345 miles from Lyons, SD. It would take 6 hours 5 mins to go from Royal to Oakland Acres and 6 hours 23 mins to go from Lyons to Oakland Acres.