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

Distance from Iona, SD to Augusta, IL

Distance

623 mi

Time

12 hours 39 mins

Gas Cost

$58 - $113

There are 492.92 miles from Iona to Augusta in southeast direction and 623 miles (1,002.62 kilometers) by car, following the I-80 route.

Iona and Augusta are 12 hours 39 mins far apart, if you drive non-stop .

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

Iona, SD and Augusta, IL are in the same time zone (CDT). Current time in both locations is 8:35 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Augusta, 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 25.04 gallons of gas to cover the route between Iona, SD and Augusta, IL.

The estimated cost of gas to go from Iona to Augusta is $81.67.

During the route, an average car will release 490.52 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 Augusta, IL

If you want to meet halfway between Iona, SD and Augusta, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.491940 and -95.305519, or 41º 29' 30.984" N, 95º 18' 19.8684" W. This location is 311.71 miles away from Iona, SD and Augusta, IL and it would take approximately 6 hours 19 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 314 miles from Iona, SD and 311 miles from Augusta, IL. It would take 5 hours 30 mins to go from Iona to Avoca and 5 hours 21 mins to go from Augusta to Avoca.