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GRZ to ONO: distance & flight time
Graz (Graz Airport) → Ontario (Ontario Municipal Airport)
5,514 mi
8,873 km · 4,791 nm
11h 17m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GRZ→ONO fares Phone-only fares on this route — call free
Flight time details
5,514 miles nonstop takes roughly 11h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- GRZ — Graz Airport · Graz, Austria
- 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 GRZ
- MBX · Maribor Airport37 mi away
- KLU · Klagenfurt Airport57 mi away
- LJU · Ljubljana Jože Pučnik Airport71 mi away
- SOB · Sármellék International Airport84 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 GRZ from ONO?
The flight distance from Graz (GRZ) to Ontario (ONO) is 5,514 miles (8,873 km, 4,791 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRZ to ONO?
A nonstop flight takes about 11h 17m 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 Graz and Ontario?
Ontario is 8 hours behind Graz.
What is the cheapest way to fly from GRZ to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRZ–ONO that never appear on search engines, with no booking fees.