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CMB to ONO: distance & flight time
Colombo (Bandaranaike International Colombo Airport) → Ontario (Ontario Municipal Airport)
8,745 mi
14,074 km · 7,599 nm
17h 37m
estimated nonstop flight time
-11.5h
time difference · heading north
See live CMB→ONO fares Phone-only fares on this route — call free
Flight time details
8,745 miles nonstop takes roughly 17h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
- 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 CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 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 CMB from ONO?
The flight distance from Colombo (CMB) to Ontario (ONO) is 8,745 miles (14,074 km, 7,599 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMB to ONO?
A nonstop flight takes about 17h 37m 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 Colombo and Ontario?
Ontario is 11.5 hours behind Colombo.
What is the cheapest way to fly from CMB to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMB–ONO that never appear on search engines, with no booking fees.