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

Distance from Iona, SD to Lanark, IL

Distance

572 mi

Time

12 hours 2 mins

Gas Cost

$53 - $104

There are 495.72 miles from Iona to Lanark in east direction and 572 miles (920.54 kilometers) by car, following the US-20 route.

Iona and Lanark are 12 hours 2 mins far apart, if you drive non-stop .

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

Iona, SD and Lanark, IL are in the same time zone (CDT). Current time in both locations is 11:36 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Lanark, 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 22.97 gallons of gas to cover the route between Iona, SD and Lanark, IL.

The estimated cost of gas to go from Iona to Lanark is $74.93.

During the route, an average car will release 450.02 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 Lanark, IL

If you want to meet halfway between Iona, SD and Lanark, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.449487 and -94.835663, or 42º 26' 58.1532" N, 94º 50' 8.3868" W. This location is 285.97 miles away from Iona, SD and Lanark, IL and it would take approximately 6 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lytton, IA, situated 291 miles from Iona, SD and 285 miles from Lanark, IL. It would take 6 hours 15 mins to go from Iona to Lytton and 5 hours 55 mins to go from Lanark to Lytton.