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CQF to WBU: distance & flight time
Calais (Calais-Dunkerque Airport) → Boulder (Boulder Municipal Airport)
4,772 mi
7,680 km · 4,147 nm
9h 49m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CQF→WBU fares Phone-only fares on this route — call free
Flight time details
4,772 miles nonstop takes roughly 9h 49m 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
- CQF — Calais-Dunkerque Airport · Calais, 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 CQF
- LTQ · Le Touquet-Côte d'Opale Airport34 mi away
- MSE · Kent International Airport37 mi away
- HZB · Merville-Calonne Airport38 mi away
- LYM · Lympne Airport42 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 CQF from WBU?
The flight distance from Calais (CQF) to Boulder (WBU) is 4,772 miles (7,680 km, 4,147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CQF to WBU?
A nonstop flight takes about 9h 49m 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 Calais and Boulder?
Boulder is 8 hours behind Calais.
What is the cheapest way to fly from CQF to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CQF–WBU that never appear on search engines, with no booking fees.