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RNS to ALN: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Alton/St Louis (St Louis Regional Airport)
4,226 mi
6,800 km · 3,672 nm
8h 45m
estimated nonstop flight time
—
time difference · heading northwest
See live RNS→ALN fares Phone-only fares on this route — call free
Flight time details
4,226 miles nonstop takes roughly 8h 45m 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
- RNS — Rennes-Saint-Jacques Airport · Rennes, France
- ALN — St Louis Regional Airport · Alton/St Louis, 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 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
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is RNS from ALN?
The flight distance from Rennes (RNS) to Alton/St Louis (ALN) is 4,226 miles (6,800 km, 3,672 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to ALN?
A nonstop flight takes about 8h 45m 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 RNS to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–ALN that never appear on search engines, with no booking fees.