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

Distance from Iona, SD to McHenry, IL

Distance

697 mi

Time

12 hours 51 mins

Gas Cost

$65 - $126

There are 569.74 miles from Iona to McHenry in east direction and 697 miles (1,121.71 kilometers) by car, following the I-90 route.

Iona and McHenry are 12 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to McHenry, IL. The halfway point is Alden, MN.

Iona, SD and McHenry, IL are in the same time zone (CDT). Current time in both locations is 3:45 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to McHenry, 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 27.99 gallons of gas to cover the route between Iona, SD and McHenry, IL.

The estimated cost of gas to go from Iona to McHenry is $91.29.

During the route, an average car will release 548.28 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 McHenry, IL

If you want to meet halfway between Iona, SD and McHenry, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.677242 and -93.533714, or 43º 40' 38.0712" N, 93º 32' 1.3704" W. This location is 348.41 miles away from Iona, SD and McHenry, IL and it would take approximately 6 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alden, MN, situated 335 miles from Iona, SD and 371 miles from McHenry, IL. It would take 5 hours 10 mins to go from Iona to Alden and 5 hours 38 mins to go from McHenry to Alden.