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

Distance from Iona, SD to Colmar, IL

Distance

619 mi

Time

12 hours 30 mins

Gas Cost

$58 - $112

There are 491.56 miles from Iona to Colmar in southeast direction and 619 miles (996.18 kilometers) by car, following the I-80 route.

Iona and Colmar are 12 hours 30 mins far apart, if you drive non-stop .

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

Iona, SD and Colmar, IL are in the same time zone (CDT). Current time in both locations is 2:23 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Colmar, 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 24.85 gallons of gas to cover the route between Iona, SD and Colmar, IL.

The estimated cost of gas to go from Iona to Colmar is $81.05.

During the route, an average car will release 486.78 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 Colmar, IL

If you want to meet halfway between Iona, SD and Colmar, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.497572 and -95.329844, or 41º 29' 51.2592" N, 95º 19' 47.4384" W. This location is 309.33 miles away from Iona, SD and Colmar, IL and it would take approximately 6 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Avoca, IA, situated 313 miles from Iona, SD and 308 miles from Colmar, IL. It would take 6 hours 31 mins to go from Iona to Avoca and 6 hours 5 mins to go from Colmar to Avoca.