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Distance from Riverside, CA to IAD Airport

Distance

2,624 mi

Time

1 day 21 hours

Gas Cost

$245 - $475

Helpful Inaccurate

There are 2,228.34 miles from Riverside to Washington Dulles International Airport (IAD) in east direction and 2,624 miles (4,222.92 kilometers) by car, following the I-40 route.

Riverside and IAD Airport are 1 day 21 hours far apart, if you drive non-stop .

This is the fastest route from Riverside, CA to IAD Airport. The halfway point is Nicoma Park, OK.

Please note the time difference between Riverside, CA and IAD Airport is 3 hours. The current time in Riverside is 12:01 pm and the current time in IAD Airport is 3:01 pm.

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Lowest Price Rental Cars in Riverside, CA

Planning on renting a car to go from Riverside, CA to IAD Airport? Here there are some offers to rent a car in Riverside, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Riverside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 105.37 gallons of gas to cover the route between Riverside, CA and IAD Airport.

The estimated cost of gas to go from Riverside to IAD Airport is $343.72.

During the route, an average car will release 2,064.46 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 Riverside, CA and IAD Airport

If you want to meet halfway between Riverside, CA and IAD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.409920 and -97.388878, or 35º 24' 35.712" N, 97º 23' 19.9608" W. This location is 1,311.89 miles away from Riverside, CA and IAD Airport and it would take approximately 22 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Nicoma Park, OK, situated 1,308 miles from Riverside, CA and 1,327 miles from IAD Airport. It would take 18 hours 20 mins to go from Riverside to Nicoma Park and 20 hours 5 mins to go from IAD to Nicoma Park.

Major City Closest to Halfway Point

The major city closest to the halfway point between Riverside, CA and IAD Airport is Oklahoma City, OK, situated 1,296 miles from Riverside, CA and 1,330 miles from IAD Airport. It would take 18 hours 6 mins to go from Riverside to and 20 hours 4 mins to go from IAD to Oklahoma City.

Major Cities Along the Route

Some other major cities along the route include Amarillo, TX,Albuquerque, NM,San Bernardino, CA,Victorville, CA,Rialto, CA,Fontana, CA, and Little Rock, AR.