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ONO to CND: distance & flight time
Ontario (Ontario Municipal Airport) → Constanta (Mihail Kogălniceanu International Airport)
5,972 mi
9,611 km · 5,190 nm
12h 11m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONO→CND fares Phone-only fares on this route — call free
Flight time details
5,972 miles nonstop takes roughly 12h 11m 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
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from CND?
The flight distance from Ontario (ONO) to Constanta (CND) is 5,972 miles (9,611 km, 5,190 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to CND?
A nonstop flight takes about 12h 11m 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 Ontario and Constanta?
Constanta is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONO to CND?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–CND that never appear on search engines, with no booking fees.