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ONO to RKE: distance & flight time
Ontario (Ontario Municipal Airport) → Copenhagen (Copenhagen Roskilde Airport)
4,943 mi
7,954 km · 4,295 nm
10h 9m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ONO→RKE fares Phone-only fares on this route — call free
Flight time details
4,943 miles nonstop takes roughly 10h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, United States
- RKE — Copenhagen Roskilde Airport · Copenhagen, Denmark
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 RKE
- CPH · Copenhagen Kastrup Airport21 mi away
- MMX · Malmö Sturup Airport49 mi away
- AGH · Ängelholm-Helsingborg Airport56 mi away
- MRW · Lolland Falster Maribo Airport67 mi away
Frequently asked questions
How far is ONO from RKE?
The flight distance from Ontario (ONO) to Copenhagen (RKE) is 4,943 miles (7,954 km, 4,295 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to RKE?
A nonstop flight takes about 10h 9m 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 Copenhagen?
Copenhagen is 8 hours ahead of Ontario.
What is the cheapest way to fly from ONO to RKE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–RKE that never appear on search engines, with no booking fees.