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WBU to CND: distance & flight time
Boulder (Boulder Municipal Airport) → Constanta (Mihail Kogălniceanu International Airport)
5,935 mi
9,551 km · 5,157 nm
12h 6m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→CND fares Phone-only fares on this route — call free
Flight time details
5,935 miles nonstop takes roughly 12h 6m 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
- CND — Mihail Kogălniceanu International Airport · Constanta, 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 CND
- TCE · Tulcea Airport50 mi away
- VAR · Varna Airport85 mi away
- BBU · Băneasa International Airport118 mi away
- OTP · Henri Coandă International Airport119 mi away
Frequently asked questions
How far is WBU from CND?
The flight distance from Boulder (WBU) to Constanta (CND) is 5,935 miles (9,551 km, 5,157 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to CND?
A nonstop flight takes about 12h 6m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from WBU to CND?
Nonstop service on WBU–CND depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 6m nonstop estimate.
What is the time difference between Boulder and Constanta?
Constanta is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to CND?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–CND that never appear on search engines, with no booking fees.
Why are some WBU to CND fares phone-only?
Consolidator contracts let us sell certain WBU–CND tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.