Need help booking?
Unpublished phone-only deals available
KOP to ONO: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Ontario (Ontario Municipal Airport)
7,446 mi
11,983 km · 6,470 nm
15h 4m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOP→ONO fares Phone-only fares on this route — call free
Flight time details
7,446 miles nonstop takes roughly 15h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 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 KOP from ONO?
The flight distance from Nakhon Phanom (KOP) to Ontario (ONO) is 7,446 miles (11,983 km, 6,470 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to ONO?
A nonstop flight takes about 15h 4m 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 Nakhon Phanom and Ontario?
Ontario is 13 hours behind Nakhon Phanom.
What is the cheapest way to fly from KOP to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–ONO that never appear on search engines, with no booking fees.