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CMF to RNS: distance & flight time
Chambery (Chambéry-Savoie Airport) → Rennes (Rennes-Saint-Jacques Airport)
397 mi
639 km · 345 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading northwest
See live CMF→RNS fares Phone-only fares on this route — call free
Flight time details
397 miles nonstop takes roughly 1h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CMF — Chambéry-Savoie Airport · Chambery, France
- 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 CMF
- NCY · Annecy-Haute-Savoie-Mont Blanc Airport23 mi away
- GNB · Grenoble-Isère Airport33 mi away
- MFX · Méribel Altiport37 mi away
- LYS · Lyon Saint-Exupéry Airport39 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 CMF from RNS?
The flight distance from Chambery (CMF) to Rennes (RNS) is 397 miles (639 km, 345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMF to RNS?
A nonstop flight takes about 1h 31m 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 cheapest way to fly from CMF to RNS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMF–RNS that never appear on search engines, with no booking fees.