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

Distance from Iona, SD to Roslyn, SD

Distance

262 mi

Time

5 hours 19 mins

Gas Cost

$23 - $46

There are 161.86 miles from Iona to Roslyn in northeast direction and 262 miles (421.65 kilometers) by car, following the I-90 route.

Iona and Roslyn are 5 hours 19 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Roslyn, SD. The halfway point is Montrose, SD.

Iona, SD and Roslyn, SD are in the same time zone (CDT). Current time in both locations is 1:06 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Roslyn, SD? 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 10.54 gallons of gas to cover the route between Iona, SD and Roslyn, SD.

The estimated cost of gas to go from Iona to Roslyn is $33.03.

During the route, an average car will release 206.43 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Iona, SD and Roslyn, SD

If you want to meet halfway between Iona, SD and Roslyn, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.666416 and -97.145340, or 43º 39' 59.0976" N, 97º 8' 43.224" W. This location is 131.18 miles away from Iona, SD and Roslyn, SD and it would take approximately 2 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Montrose, SD, situated 153 miles from Iona, SD and 184 miles from Roslyn, SD. It would take 2 hours 40 mins to go from Iona to Montrose and 2 hours 48 mins to go from Roslyn to Montrose.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Roslyn, SD is Sioux Falls, SD, situated 180 miles from Iona, SD and 166 miles from Roslyn, SD. It would take 2 hours 59 mins to go from Iona to and 2 hours 32 mins to go from Roslyn to Sioux Falls.