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IAD to GRS: distance & flight time
Washington (Washington Dulles International Airport) → Grosseto (Grosseto Air Base)
4,409 mi
7,095 km · 3,831 nm
9h 7m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→GRS fares Phone-only fares on this route — call free
Flight time details
4,409 miles nonstop takes roughly 9h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- GRS — Grosseto Air Base · Grosseto, Italy
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.
Near IAD
Near GRS
- SAY · Siena-Ampugnano Airport36 mi away
- EBA · Marina Di Campo Airport42 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport89 mi away
- PSA · Pisa International Airport72 mi away
Frequently asked questions
How far is IAD from GRS?
The flight distance from Washington (IAD) to Grosseto (GRS) is 4,409 miles (7,095 km, 3,831 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to GRS?
A nonstop flight takes about 9h 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 Washington and Grosseto?
Grosseto is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to GRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–GRS that never appear on search engines, with no booking fees.