Need help booking?
Unpublished phone-only deals available
CIA to IAD: distance & flight time
Rome (Ciampino–G. B. Pastine International Airport) → Washington (Washington Dulles International Airport)
4,509 mi
7,257 km · 3,918 nm
9h 19m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CIA→IAD fares Phone-only fares on this route — call free
Flight time details
4,509 miles nonstop takes roughly 9h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CIA — Ciampino–G. B. Pastine International Airport · Rome, Italy
- IAD — Washington Dulles International Airport · Washington, United States
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 CIA
Frequently asked questions
How far is CIA from IAD?
The flight distance from Rome (CIA) to Washington (IAD) is 4,509 miles (7,257 km, 3,918 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CIA to IAD?
A nonstop flight takes about 9h 19m 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 Rome and Washington?
Washington is 6 hours behind Rome.
What is the cheapest way to fly from CIA to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIA–IAD that never appear on search engines, with no booking fees.