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EFL to ONO: distance & flight time
Keffallinia (Kefallinia Airport) → Ontario (Ontario Municipal Airport)
6,172 mi
9,932 km · 5,363 nm
12h 34m
estimated nonstop flight time
-9h
time difference · heading northwest
See live EFL→ONO fares Phone-only fares on this route — call free
Flight time details
6,172 miles nonstop takes roughly 12h 34m 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
- EFL — Kefallinia Airport · Keffallinia, Greece
- 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 EFL
- ZTH · Zakynthos International Airport "Dionysios Solomos"33 mi away
- PYR · Andravida Air Base45 mi away
- GPA · Araxos Airport50 mi away
- AGQ · Agrinion Air Base57 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 EFL from ONO?
The flight distance from Keffallinia (EFL) to Ontario (ONO) is 6,172 miles (9,932 km, 5,363 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to ONO?
A nonstop flight takes about 12h 34m 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 Keffallinia and Ontario?
Ontario is 9 hours behind Keffallinia.
What is the cheapest way to fly from EFL to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–ONO that never appear on search engines, with no booking fees.