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UBJ to DEF: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Dezful (Dezful Airport)
4,649 mi
7,482 km · 4,040 nm
9h 35m
estimated nonstop flight time
-5.5h
time difference · heading northwest
See live UBJ→DEF fares Phone-only fares on this route — call free
Flight time details
4,649 miles nonstop takes roughly 9h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time set-back when reading arrival times on your ticket.
The two airports
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- DEF — Dezful Airport · Dezful, Iran
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 UBJ
- KKJ · Kitakyūshū Airport15 mi away
- OIT · Oita Airport41 mi away
- FUK · Fukuoka Airport53 mi away
- IWK · Iwakuni Marine Corps Air Station57 mi away
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is UBJ from DEF?
The flight distance from Yamaguchi (UBJ) to Dezful (DEF) is 4,649 miles (7,482 km, 4,040 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to DEF?
A nonstop flight takes about 9h 35m 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 Yamaguchi and Dezful?
Dezful is 5.5 hours behind Yamaguchi.
What is the cheapest way to fly from UBJ to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–DEF that never appear on search engines, with no booking fees.