Distance between cities › USA › Illinois › Olmsted, IL › Distance from Olmsted to Ronald Reagan Washington National Airport Book Hotels

Distance from Olmsted, IL to DCA Airport

Distance

810 mi

Time

15 hours 22 mins

Gas Cost

$75 - $147

Helpful Inaccurate

There are 665.43 miles from Olmsted to Ronald Reagan Washington National Airport (DCA) in east direction and 810 miles (1,303.57 kilometers) by car, following the I-64 route.

Olmsted and DCA Airport are 15 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Olmsted, IL to DCA Airport. The halfway point is Mosheim, TN.

Please note the time difference between Olmsted, IL and DCA Airport is 1 hour. The current time in Olmsted is 4:42 pm and the current time in DCA Airport is 5:42 pm.

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Lowest Price Rental Cars in Olmsted, IL

Planning on renting a car to go from Olmsted, IL to DCA Airport? Here there are some offers to rent a car in Olmsted, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Olmsted »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 32.53 gallons of gas to cover the route between Olmsted, IL and DCA Airport.

The estimated cost of gas to go from Olmsted to DCA Airport is $106.12.

During the route, an average car will release 637.38 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 Olmsted, IL and DCA Airport

If you want to meet halfway between Olmsted, IL and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.283802 and -82.901108, or 36º 17' 1.6872" N, 82º 54' 3.9888" W. This location is 405.03 miles away from Olmsted, IL and DCA Airport and it would take approximately 7 hours 41 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mosheim, TN, situated 417 miles from Olmsted, IL and 436 miles from DCA Airport. It would take 6 hours 33 mins to go from Olmsted to Mosheim and 6 hours 43 mins to go from DCA to Mosheim.