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

Distance from Iona, SD to Comer, IL

Distance

725 mi

Time

14 hours 31 mins

Gas Cost

$68 - $131

There are 571.65 miles from Iona to Comer in southeast direction and 725 miles (1,166.77 kilometers) by car, following the US-36 route.

Iona and Comer are 14 hours 31 mins far apart, if you drive non-stop .

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

Iona, SD and Comer, IL are in the same time zone (CDT). Current time in both locations is 3:41 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Iona, SD to Comer, IL:

Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Comer, 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 29.12 gallons of gas to cover the route between Iona, SD and Comer, IL.

The estimated cost of gas to go from Iona to Comer is $95.

During the route, an average car will release 570.59 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 Comer, IL

If you want to meet halfway between Iona, SD and Comer, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.33426 and -95.498173, or 40º 20' 3.336" N, 95º 29' 53.4228" W. This location is 362.59 miles away from Iona, SD and Comer, IL and it would take approximately 7 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 Rock Port, MO, situated 370 miles from Iona, SD and 359 miles from Comer, IL. It would take 7 hours 33 mins to go from Iona to Rock Port and 7 hours 7 mins to go from Comer to Rock Port.