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

Distance from Iona, SD to Potomac, IL

Distance

777 mi

Time

15 hours 10 mins

Gas Cost

$72 - $141

There are 637.78 miles from Iona to Potomac in southeast direction and 777 miles (1,250.46 kilometers) by car, following the I-80 route.

Iona and Potomac are 15 hours 10 mins far apart, if you drive non-stop .

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

Iona, SD and Potomac, IL are in the same time zone (CDT). Current time in both locations is 10:13 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Potomac, 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 31.21 gallons of gas to cover the route between Iona, SD and Potomac, IL.

The estimated cost of gas to go from Iona to Potomac is $101.81.

During the route, an average car will release 611.50 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 Potomac, IL

If you want to meet halfway between Iona, SD and Potomac, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.585381 and -93.821832, or 41º 35' 7.3716" N, 93º 49' 18.5952" W. This location is 388.58 miles away from Iona, SD and Potomac, IL and it would take approximately 7 hours 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Clive, IA, situated 396 miles from Iona, SD and 383 miles from Potomac, IL. It would take 8 hours to go from Iona to Clive and 7 hours 15 mins to go from Potomac to Clive.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Potomac, IL is Des Moines, IA, situated 404 miles from Iona, SD and 374 miles from Potomac, IL. It would take 8 hours 9 mins to go from Iona to Des Moines and 7 hours 6 mins to go from Potomac to Des Moines.