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RNS to CPR: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Casper (Casper-Natrona County International Airport)
4,666 mi
7,510 km · 4,055 nm
9h 37m
estimated nonstop flight time
-8h
time difference · heading northwest
See live RNS→CPR fares Phone-only fares on this route — call free
Flight time details
4,666 miles nonstop takes roughly 9h 37m 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
- RNS — Rennes-Saint-Jacques Airport · Rennes, France
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is RNS from CPR?
The flight distance from Rennes (RNS) to Casper (CPR) is 4,666 miles (7,510 km, 4,055 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to CPR?
A nonstop flight takes about 9h 37m 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 Rennes and Casper?
Casper is 8 hours behind Rennes.
What is the cheapest way to fly from RNS to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–CPR that never appear on search engines, with no booking fees.