Need help booking?
Unpublished phone-only deals available
TNF to GTF: distance & flight time
Toussous-le-noble (Toussus-le-Noble Airport) → Great Falls (Great Falls International Airport)
4,690 mi
7,547 km · 4,075 nm
9h 40m
estimated nonstop flight time
-8h
time difference · heading northwest
See live TNF→GTF fares Phone-only fares on this route — call free
Flight time details
4,690 miles nonstop takes roughly 9h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- TNF — Toussus-le-Noble Airport · Toussous-le-noble, France
- GTF — Great Falls International Airport · Great Falls, 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
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is TNF from GTF?
The flight distance from Toussous-le-noble (TNF) to Great Falls (GTF) is 4,690 miles (7,547 km, 4,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNF to GTF?
A nonstop flight takes about 9h 40m 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 Great Falls?
Great Falls is 8 hours behind Toussous-le-noble.
What is the cheapest way to fly from TNF to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNF–GTF that never appear on search engines, with no booking fees.