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

Distance from Iona, SD to Cullom, IL

Distance

732 mi

Time

14 hours 20 mins

Gas Cost

$68 - $133

There are 599.54 miles from Iona to Cullom in southeast direction and 732 miles (1,178.04 kilometers) by car, following the I-80 route.

Iona and Cullom are 14 hours 20 mins far apart, if you drive non-stop .

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

Iona, SD and Cullom, IL are in the same time zone (CDT). Current time in both locations is 10:02 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Cullom, 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 29.41 gallons of gas to cover the route between Iona, SD and Cullom, IL.

The estimated cost of gas to go from Iona to Cullom is $95.93.

During the route, an average car will release 576.14 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 Cullom, IL

If you want to meet halfway between Iona, SD and Cullom, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.517766 and -94.175795, or 41º 31' 3.9576" N, 94º 10' 32.862" W. This location is 366.12 miles away from Iona, SD and Cullom, IL and it would take approximately 7 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dexter, IA, situated 371 miles from Iona, SD and 363 miles from Cullom, IL. It would take 7 hours 33 mins to go from Iona to Dexter and 6 hours 52 mins to go from Cullom to Dexter.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Cullom, IL is Des Moines, IA, situated 404 miles from Iona, SD and 329 miles from Cullom, IL. It would take 8 hours 9 mins to go from Iona to Des Moines and 6 hours 15 mins to go from Cullom to Des Moines.