Need help booking?
Unpublished phone-only deals available
CIY to WBU: distance & flight time
Comiso (Comiso Airport) → Boulder (Boulder Municipal Airport)
5,890 mi
9,479 km · 5,118 nm
12h 1m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CIY→WBU fares Phone-only fares on this route — call free
Flight time details
5,890 miles nonstop takes roughly 12h 1m 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
- CIY — Comiso Airport · Comiso, Italy
- 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 CIY
- NSY · Sigonella Navy Air Base33 mi away
- CTA · Catania-Fontanarossa Airport41 mi away
- GZM · Xewkija Heliport69 mi away
- MLA · Malta International Airport79 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 CIY from WBU?
The flight distance from Comiso (CIY) to Boulder (WBU) is 5,890 miles (9,479 km, 5,118 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CIY to WBU?
A nonstop flight takes about 12h 1m 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 Comiso and Boulder?
Boulder is 8 hours behind Comiso.
What is the cheapest way to fly from CIY to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIY–WBU that never appear on search engines, with no booking fees.