Distance between cities › USA › Florida › Seffner, FL › Distance from Seffner to Washington Dulles International Airport Book Hotels

Distance from Seffner, FL to IAD Airport

Distance

916 mi

Time

17 hours 10 mins

Gas Cost

$85 - $166

Helpful Inaccurate

There are 806.87 miles from Seffner to Washington Dulles International Airport (IAD) in northeast direction and 916 miles (1,474.16 kilometers) by car, following the I-95 route.

Seffner and IAD Airport are 17 hours 10 mins far apart, if you drive non-stop .

This is the fastest route from Seffner, FL to IAD Airport. The halfway point is Alcolu, SC.

Seffner, FL and IAD Airport are in the same time zone (EDT). Current time in both locations is 12:12 pm.

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Lowest Price Rental Cars in Seffner, FL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Seffner »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 36.79 gallons of gas to cover the route between Seffner, FL and IAD Airport.

The estimated cost of gas to go from Seffner to IAD Airport is $120.01.

During the route, an average car will release 720.77 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 Seffner, FL and IAD Airport

If you want to meet halfway between Seffner, FL 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 33.793114 and -80.202927, or 33º 47' 35.2104" N, 80º 12' 10.5372" W. This location is 458.02 miles away from Seffner, FL and IAD Airport and it would take approximately 8 hours 35 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alcolu, SC, situated 462 miles from Seffner, FL and 458 miles from IAD Airport. It would take 7 hours 12 mins to go from Seffner to Alcolu and 7 hours 28 mins to go from IAD to Alcolu.