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DEN to OTP: distance & flight time
Denver (Denver International Airport) → Bucharest (Henri Coandă International Airport)
5,850 mi
9,415 km · 5,084 nm
11h 56m
estimated nonstop flight time
+9h
time difference · heading northeast
See live DEN→OTP fares Phone-only fares on this route — call free
Flight time details
5,850 miles nonstop takes roughly 11h 56m 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
- DEN — Denver International Airport · Denver, United States
- OTP — Henri Coandă International Airport · Bucharest, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Near OTP
- BBU · Băneasa International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport100 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport119 mi away
Frequently asked questions
How far is DEN from OTP?
The flight distance from Denver (DEN) to Bucharest (OTP) is 5,850 miles (9,415 km, 5,084 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to OTP?
A nonstop flight takes about 11h 56m 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 Denver and Bucharest?
Bucharest is 9 hours ahead of Denver.
What is the cheapest way to fly from DEN to OTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–OTP that never appear on search engines, with no booking fees.