Need help booking?
Unpublished phone-only deals available
WBU to CSB: distance & flight time
Boulder (Boulder Municipal Airport) → Caransebes (Caransebeş Airport)
5,697 mi
9,169 km · 4,951 nm
11h 38m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→CSB fares Phone-only fares on this route — call free
Flight time details
5,697 miles nonstop takes roughly 11h 38m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- CSB — Caransebeş Airport · Caransebes, Romania
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 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
Near CSB
- TSR · Timişoara Traian Vuia Airport52 mi away
- ARW · Arad International Airport71 mi away
- SBZ · Sibiu International Airport92 mi away
- BEG · Belgrade Nikola Tesla Airport103 mi away
Frequently asked questions
How far is WBU from CSB?
The flight distance from Boulder (WBU) to Caransebes (CSB) is 5,697 miles (9,169 km, 4,951 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to CSB?
A nonstop flight takes about 11h 38m 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 Boulder and Caransebes?
Caransebes is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to CSB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–CSB that never appear on search engines, with no booking fees.