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GFF to IAD: distance & flight time

Griffith (Griffith Airport) → Washington (Washington Dulles International Airport)

10,024 mi
16,132 km · 8,710 nm
20h 7m
estimated nonstop flight time
-14h
time difference · heading east
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Flight time details

10,024 miles nonstop takes roughly 20h 7m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.

The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is GFF from IAD?

The flight distance from Griffith (GFF) to Washington (IAD) is 10,024 miles (16,132 km, 8,710 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GFF to IAD?

A nonstop flight takes about 20h 7m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Griffith and Washington?

Washington is 14 hours behind Griffith.

What is the cheapest way to fly from GFF to IAD?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFF–IAD that never appear on search engines, with no booking fees.
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