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

Distance from Iona, SD to Modesto, IL

Distance

714 mi

Time

14 hours 13 mins

Gas Cost

$67 - $129

There are 564.02 miles from Iona to Modesto in southeast direction and 714 miles (1,149.07 kilometers) by car, following the US-36 route.

Iona and Modesto are 14 hours 13 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Modesto, IL. The halfway point is Rock Port, MO.

Iona, SD and Modesto, IL are in the same time zone (CDT). Current time in both locations is 2:21 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Modesto, 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 28.66 gallons of gas to cover the route between Iona, SD and Modesto, IL.

The estimated cost of gas to go from Iona to Modesto is $93.48.

During the route, an average car will release 561.43 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 Modesto, IL

If you want to meet halfway between Iona, SD and Modesto, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.375237 and -95.527390, or 40º 22' 30.8532" N, 95º 31' 38.604" W. This location is 356.77 miles away from Iona, SD and Modesto, IL and it would take approximately 7 hours 6 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 371 miles from Iona, SD and 347 miles from Modesto, IL. It would take 6 hours 24 mins to go from Iona to Rock Port and 6 hours 28 mins to go from Modesto to Rock Port.