Distance between cities › USA › South Dakota › Armour, SD › Distance from Armour to O'Hare International Airport Book Hotels

Distance from Armour, SD to ORD Airport

Distance

673 mi

Time

12 hours 12 mins

Gas Cost

$63 - $122

Helpful Inaccurate

There are 538.24 miles from Armour to O'Hare International Airport (ORD) in east direction and 673 miles (1,083.09 kilometers) by car, following the I-90 route.

Armour and ORD Airport are 12 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to ORD Airport. The halfway point is Elkton, MN.

Armour, SD and ORD Airport are in the same time zone (CDT). Current time in both locations is 8:35 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to ORD Airport? Here there are some offers to rent a car in Armour, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Armour »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 27.05 gallons of gas to cover the route between Armour, SD and ORD Airport.

The estimated cost of gas to go from Armour to ORD Airport is $88.22.

During the route, an average car will release 529.88 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 Armour, SD and ORD Airport

If you want to meet halfway between Armour, SD and ORD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.682903 and -92.739563, or 43º 40' 58.4508" N, 92º 44' 22.4268" W. This location is 336.72 miles away from Armour, SD and ORD Airport and it would take approximately 6 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 Elkton, MN, situated 323 miles from Armour, SD and 356 miles from ORD Airport. It would take 4 hours 48 mins to go from Armour to Elkton and 5 hours 26 mins to go from ORD to Elkton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and ORD Airport is Rochester, MN, situated 351 miles from Armour, SD and 335 miles from ORD Airport. It would take 5 hours 10 mins to go from Armour to and 5 hours 5 mins to go from ORD to Rochester.