Need help booking?
Unpublished phone-only deals available
CLJ to ONO: distance & flight time
Cluj-napoca (Cluj-Napoca International Airport) → Ontario (Ontario Municipal Airport)
5,721 mi
9,206 km · 4,971 nm
11h 41m
estimated nonstop flight time
-9h
time difference · heading northwest
See live CLJ→ONO fares Phone-only fares on this route — call free
Flight time details
5,721 miles nonstop takes roughly 11h 41m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- CLJ — Cluj-Napoca International Airport · Cluj-napoca, Romania
- ONO — Ontario Municipal Airport · Ontario, 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 CLJ
- TGM · Transilvania Târgu Mureş International Airport41 mi away
- BAY · Tautii Magheraus Airport61 mi away
- SBZ · Sibiu International Airport72 mi away
- SUJ · Satu Mare Airport74 mi away
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
Frequently asked questions
How far is CLJ from ONO?
The flight distance from Cluj-napoca (CLJ) to Ontario (ONO) is 5,721 miles (9,206 km, 4,971 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLJ to ONO?
A nonstop flight takes about 11h 41m 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 Cluj-napoca and Ontario?
Ontario is 9 hours behind Cluj-napoca.
What is the cheapest way to fly from CLJ to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLJ–ONO that never appear on search engines, with no booking fees.