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

Distance from Iona, SD to Annawan, IL

Distance

611 mi

Time

11 hours 54 mins

Gas Cost

$57 - $111

There are 507.22 miles from Iona to Annawan in southeast direction and 611 miles (983.31 kilometers) by car, following the I-80 route.

Iona and Annawan are 11 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Annawan, IL. The halfway point is Neola, IA.

Iona, SD and Annawan, IL are in the same time zone (CDT). Current time in both locations is 8:48 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Iona, SD to Annawan, IL:

Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Annawan, 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 24.55 gallons of gas to cover the route between Iona, SD and Annawan, IL.

The estimated cost of gas to go from Iona to Annawan is $80.07.

During the route, an average car will release 480.94 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 Annawan, IL

If you want to meet halfway between Iona, SD and Annawan, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.491245 and -95.665733, or 41º 29' 28.482" N, 95º 39' 56.6388" W. This location is 305.62 miles away from Iona, SD and Annawan, IL and it would take approximately 5 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Neola, IA, situated 359 miles from Iona, SD and 317 miles from Annawan, IL. It would take 5 hours 27 mins to go from Iona to Neola and 4 hours 42 mins to go from Annawan to Neola.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Annawan, IL is Omaha, NE, situated 360 miles from Iona, SD and 346 miles from Annawan, IL. It would take 5 hours 32 mins to go from Iona to and 5 hours 11 mins to go from Annawan to Omaha.