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RJK to UTH: distance & flight time
Rijeka (Rijeka Airport) → Udon Thani (Udon Thani Airport)
5,287 mi
8,509 km · 4,595 nm
10h 50m
estimated nonstop flight time
+6h
time difference · heading east
See live RJK→UTH fares Phone-only fares on this route — call free
Flight time details
5,287 miles nonstop takes roughly 10h 50m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- RJK — Rijeka Airport · Rijeka, Croatia
- UTH — Udon Thani Airport · Udon Thani, Thailand
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 RJK
- PUY · Pula Airport39 mi away
- LSZ · Lošinj Island Airport46 mi away
- POW · Portoroz Airport50 mi away
- TRS · Trieste–Friuli Venezia Giulia Airport68 mi away
Near UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is RJK from UTH?
The flight distance from Rijeka (RJK) to Udon Thani (UTH) is 5,287 miles (8,509 km, 4,595 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RJK to UTH?
A nonstop flight takes about 10h 50m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RJK to UTH?
Nonstop service on RJK–UTH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 50m nonstop estimate.
What is the time difference between Rijeka and Udon Thani?
Udon Thani is 6 hours ahead of Rijeka.
What is the cheapest way to fly from RJK to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RJK–UTH that never appear on search engines, with no booking fees.
Why are some RJK to UTH fares phone-only?
Consolidator contracts let us sell certain RJK–UTH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.