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

Distance from Iona, SD to Barr, IL

Distance

710 mi

Time

14 hours 16 mins

Gas Cost

$66 - $129

There are 561.41 miles from Iona to Barr in southeast direction and 710 miles (1,142.63 kilometers) by car, following the US-36 route.

Iona and Barr are 14 hours 16 mins far apart, if you drive non-stop .

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

Iona, SD and Barr, IL are in the same time zone (CDT). Current time in both locations is 3:44 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Barr, 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 28.53 gallons of gas to cover the route between Iona, SD and Barr, IL.

The estimated cost of gas to go from Iona to Barr is $93.05.

During the route, an average car will release 558.88 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 Barr, IL

If you want to meet halfway between Iona, SD and Barr, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.430821 and -95.567997, or 40º 25' 50.9556" N, 95º 34' 4.7892" W. This location is 355.15 miles away from Iona, SD and Barr, IL and it would take approximately 7 hours 8 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 344 miles from Barr, IL. It would take 7 hours 33 mins to go from Iona to Rock Port and 6 hours 52 mins to go from Barr to Rock Port.