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RNS to WBU: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Boulder (Boulder Municipal Airport)
4,764 mi
7,666 km · 4,140 nm
9h 48m
estimated nonstop flight time
-8h
time difference · heading northwest
See live RNS→WBU fares Phone-only fares on this route — call free
Flight time details
4,764 miles nonstop takes roughly 9h 48m 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
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is RNS from WBU?
The flight distance from Rennes (RNS) to Boulder (WBU) is 4,764 miles (7,666 km, 4,140 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to WBU?
A nonstop flight takes about 9h 48m 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 Boulder?
Boulder is 8 hours behind Rennes.
What is the cheapest way to fly from RNS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–WBU that never appear on search engines, with no booking fees.