Need help booking?
Unpublished phone-only deals available
KKS to UBJ: distance & flight time
Kashan (Kashan Airport) → Yamaguchi (Yamaguchi Ube Airport)
4,439 mi
7,145 km · 3,858 nm
9h 10m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live KKS→UBJ fares Phone-only fares on this route — call free
Flight time details
4,439 miles nonstop takes roughly 9h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- KKS — Kashan Airport · Kashan, Iran
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
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 KKS
- IFH · Hesa Airport67 mi away
- IFN · Esfahan Shahid Beheshti International Airport81 mi away
- AJK · Arak Airport100 mi away
- IKA · Imam Khomeini International Airport108 mi away
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
Frequently asked questions
How far is KKS from UBJ?
The flight distance from Kashan (KKS) to Yamaguchi (UBJ) is 4,439 miles (7,145 km, 3,858 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKS to UBJ?
A nonstop flight takes about 9h 10m 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 Kashan and Yamaguchi?
Yamaguchi is 5.5 hours ahead of Kashan.
What is the cheapest way to fly from KKS to UBJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKS–UBJ that never appear on search engines, with no booking fees.