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IAD to TNF: distance & flight time
Washington (Washington Dulles International Airport) → Toussous-le-noble (Toussus-le-Noble Airport)
3,839 mi
6,178 km · 3,336 nm
8h
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→TNF fares Phone-only fares on this route — call free
Flight time details
3,839 miles nonstop takes roughly 8h 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
- TNF — Toussus-le-Noble Airport · Toussous-le-noble, France
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 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 IAD from TNF?
The flight distance from Washington (IAD) to Toussous-le-noble (TNF) 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 IAD to TNF?
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 Washington and Toussous-le-noble?
Toussous-le-noble is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to TNF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–TNF that never appear on search engines, with no booking fees.