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TNF to IAD: distance & flight time
Toussous-le-noble (Toussus-le-Noble Airport) → Washington (Washington Dulles International Airport)
3,839 mi
6,178 km · 3,336 nm
8h
estimated nonstop flight time
-6h
time difference · heading west
See live TNF→IAD fares Phone-only fares on this route — call free
Flight time details
3,839 miles nonstop takes roughly 8h gate to gate, flying west. 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
- TNF — Toussus-le-Noble Airport · Toussous-le-noble, France
- 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 TNF
- CDG · Charles de Gaulle International Airport27 mi away
- VIY · Villacoublay-Vélizy (BA 107) Air Base4 mi away
- ORY · Paris-Orly Airport13 mi away
- LBG · Paris-Le Bourget Airport21 mi away
Frequently asked questions
How far is TNF from IAD?
The flight distance from Toussous-le-noble (TNF) to Washington (IAD) is 3,839 miles (6,178 km, 3,336 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNF to IAD?
A nonstop flight takes about 8h 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 Toussous-le-noble and Washington?
Washington is 6 hours behind Toussous-le-noble.
What is the cheapest way to fly from TNF to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNF–IAD that never appear on search engines, with no booking fees.