Distance between cities › USA › South Dakota › Iona, SD › Distance from Iona to Topeka Book Hotels

Distance from Iona, SD to Topeka, IL

Distance

671 mi

Time

13 hours 49 mins

Gas Cost

$63 - $122

There are 536.31 miles from Iona to Topeka in southeast direction and 671 miles (1,079.87 kilometers) by car, following the I-80 route.

Iona and Topeka are 13 hours 49 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Topeka, IL.

Iona, SD and Topeka, IL are in the same time zone (CDT). Current time in both locations is 1:07 pm.

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Lowest Price Rental Cars in Iona, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Iona »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 26.93 gallons of gas to cover the route between Iona, SD and Topeka, IL.

The estimated cost of gas to go from Iona to Topeka is $87.86.

During the route, an average car will release 527.69 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 Iona, SD and Topeka, IL

If you want to meet halfway between Iona, SD and Topeka, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.497 and -94.847444, or 41º 29' 49.2" N, 94º 50' 50.7984" W. This location is 335.33 miles away from Iona, SD and Topeka, IL and it would take approximately 6 hours 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Brayton, IA, situated 335 miles from Iona, SD and 342 miles from Topeka, IL. It would take 6 hours 54 mins to go from Iona to Brayton and 7 hours 5 mins to go from Topeka to Brayton.