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

Distance from Iona, SD to Onarga, IL

Distance

758 mi

Time

14 hours 56 mins

Gas Cost

$71 - $137

There are 616.53 miles from Iona to Onarga in southeast direction and 758 miles (1,219.88 kilometers) by car, following the I-80 route.

Iona and Onarga are 14 hours 56 mins far apart, if you drive non-stop .

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

Iona, SD and Onarga, IL are in the same time zone (CDT). Current time in both locations is 2:24 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Onarga, 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 30.45 gallons of gas to cover the route between Iona, SD and Onarga, IL.

The estimated cost of gas to go from Iona to Onarga is $99.34.

During the route, an average car will release 596.63 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 Onarga, IL

If you want to meet halfway between Iona, SD and Onarga, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.546717 and -93.958076, or 41º 32' 48.1812" N, 93º 57' 29.0736" W. This location is 379.13 miles away from Iona, SD and Onarga, IL and it would take approximately 7 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Van Meter, IA, situated 386 miles from Iona, SD and 375 miles from Onarga, IL. It would take 7 hours 48 mins to go from Iona to Van Meter and 7 hours 13 mins to go from Onarga to Van Meter.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Onarga, IL is Des Moines, IA, situated 404 miles from Iona, SD and 355 miles from Onarga, IL. It would take 8 hours 9 mins to go from Iona to Des Moines and 6 hours 51 mins to go from Onarga to Des Moines.