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

Distance from Iona, SD to Marshall, IL

Distance

839 mi

Time

16 hours 22 mins

Gas Cost

$78 - $152

There are 671.55 miles from Iona to Marshall in southeast direction and 839 miles (1,350.24 kilometers) by car, following the I-80 route.

Iona and Marshall are 16 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Marshall, IL. The halfway point is Mitchellville, IA.

Iona, SD and Marshall, IL are in the same time zone (CDT). Current time in both locations is 2:22 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Marshall, 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 33.71 gallons of gas to cover the route between Iona, SD and Marshall, IL.

The estimated cost of gas to go from Iona to Marshall is $109.97.

During the route, an average car will release 660.50 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 Marshall, IL

If you want to meet halfway between Iona, SD and Marshall, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.668827 and -93.361130, or 41º 40' 7.7772" N, 93º 21' 40.068" W. This location is 419.73 miles away from Iona, SD and Marshall, IL and it would take approximately 8 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchellville, IA, situated 421 miles from Iona, SD and 420 miles from Marshall, IL. It would take 7 hours 8 mins to go from Iona to Mitchellville and 6 hours 43 mins to go from Marshall to Mitchellville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Marshall, IL is Des Moines, IA, situated 404 miles from Iona, SD and 434 miles from Marshall, IL. It would take 6 hours 50 mins to go from Iona to and 6 hours 56 mins to go from Marshall to Des Moines.