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ONO to ADP: distance & flight time
Ontario (Ontario Municipal Airport) → Galoya (Ampara Airport)
8,702 mi
14,005 km · 7,562 nm
17h 32m
estimated nonstop flight time
+11.5h
time difference · heading northwest
See live ONO→ADP fares Phone-only fares on this route — call free
Flight time details
8,702 miles nonstop takes roughly 17h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, United States
- ADP — Ampara Airport · Galoya, Sri Lanka
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 ADP
- BTC · Batticaloa Airport26 mi away
- HIM · Hingurakgoda Air Force Base66 mi away
- GIU · Sigiriya Air Force Base75 mi away
- WRZ · Weerawila Airport80 mi away
Frequently asked questions
How far is ONO from ADP?
The flight distance from Ontario (ONO) to Galoya (ADP) is 8,702 miles (14,005 km, 7,562 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to ADP?
A nonstop flight takes about 17h 32m 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 Galoya?
Galoya is 11.5 hours ahead of Ontario.
What is the cheapest way to fly from ONO to ADP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–ADP that never appear on search engines, with no booking fees.