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

Distance from Iona, SD to Drain, OR

Distance

1,572 mi

Time

1 day 4 hours

Gas Cost

$147 - $285

There are 1,191.53 miles from Iona to Drain in west direction and 1,572 miles (2,529.89 kilometers) by car, following the I-90 route.

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

This is the fastest route from Iona, SD to Drain, OR. The halfway point is Whitehall, MT.

Please note the time difference between Iona, SD and Drain, OR is 2 hours. The current time in Iona is 7:36 am and the current time in Drain is 5:36 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Drain, OR? 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 63.14 gallons of gas to cover the route between Iona, SD and Drain, OR.

The estimated cost of gas to go from Iona to Drain is $205.96.

During the route, an average car will release 1,237.03 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 Drain, OR

If you want to meet halfway between Iona, SD and Drain, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.919643 and -112.153397, or 45º 55' 10.7148" N, 112º 9' 12.2292" W. This location is 786.09 miles away from Iona, SD and Drain, OR and it would take approximately 14 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Whitehall, MT, situated 793 miles from Iona, SD and 826 miles from Drain, OR. It would take 11 hours 41 mins to go from Iona to Whitehall and 12 hours 28 mins to go from Drain to Whitehall.