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

Distance from Iona, SD to Preston, MD

Distance

1,508 mi

Time

1 day 4 hours

Gas Cost

$141 - $273

There are 1,263.53 miles from Iona to Preston in southeast direction and 1,508 miles (2,426.89 kilometers) by car, following the I-90 route.

Iona and Preston are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Preston, MD. The halfway point is Park Ridge, IL.

Please note the time difference between Iona, SD and Preston, MD is 1 hour. The current time in Iona is 1:20 pm and the current time in Preston is 2:20 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Preston, MD? 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 60.57 gallons of gas to cover the route between Iona, SD and Preston, MD.

The estimated cost of gas to go from Iona to Preston is $197.58.

During the route, an average car will release 1,186.71 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 Preston, MD

If you want to meet halfway between Iona, SD and Preston, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.996208 and -87.846550, or 41º 59' 46.3488" N, 87º 50' 47.58" W. This location is 754.11 miles away from Iona, SD and Preston, MD and it would take approximately 14 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 Park Ridge, IL, situated 732 miles from Iona, SD and 785 miles from Preston, MD. It would take 10 hours 56 mins to go from Iona to Park Ridge and 12 hours 20 mins to go from Preston to Park Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Preston, MD is Chicago, IL, situated 745 miles from Iona, SD and 770 miles from Preston, MD. It would take 11 hours 9 mins to go from Iona to and 12 hours 4 mins to go from Preston to Chicago.