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CYS to RCO: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Rochefort (Rochefort-Saint-Agnant (BA 721) Airport)
4,815 mi
7,748 km · 4,184 nm
9h 54m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CYS→RCO fares Phone-only fares on this route — call free
Flight time details
4,815 miles nonstop takes roughly 9h 54m 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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- RCO — Rochefort-Saint-Agnant (BA 721) Airport · Rochefort, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Near RCO
- RYN · Royan-Médis Airport18 mi away
- LRH · La Rochelle-Île de Ré Airport23 mi away
- CNG · Cognac-Châteaubernard (BA 709) Air Base36 mi away
- NIT · Niort-Souché Airport41 mi away
Frequently asked questions
How far is CYS from RCO?
The flight distance from Cheyenne (CYS) to Rochefort (RCO) is 4,815 miles (7,748 km, 4,184 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to RCO?
A nonstop flight takes about 9h 54m 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 Cheyenne and Rochefort?
Rochefort is 8 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to RCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–RCO that never appear on search engines, with no booking fees.