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GTF to RNS: distance & flight time
Great Falls (Great Falls International Airport) → Rennes (Rennes-Saint-Jacques Airport)
4,604 mi
7,410 km · 4,001 nm
9h 30m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GTF→RNS fares Phone-only fares on this route — call free
Flight time details
4,604 miles nonstop takes roughly 9h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- RNS — Rennes-Saint-Jacques Airport · Rennes, 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 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
Near RNS
- DNR · Dinard-Pleurtuit-Saint-Malo Airport39 mi away
- LVA · Laval-Entrammes Airport46 mi away
- VNE · Vannes-Meucon Airport51 mi away
- SNR · Saint-Nazaire-Montoir Airport56 mi away
Frequently asked questions
How far is GTF from RNS?
The flight distance from Great Falls (GTF) to Rennes (RNS) is 4,604 miles (7,410 km, 4,001 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to RNS?
A nonstop flight takes about 9h 30m 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 Great Falls and Rennes?
Rennes is 8 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to RNS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–RNS that never appear on search engines, with no booking fees.