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SDM to UBJ: distance & flight time
San Diego (Brown Field Municipal Airport) → Yamaguchi (Yamaguchi Ube Airport)
6,054 mi
9,743 km · 5,261 nm
12h 20m
estimated nonstop flight time
+16h
time difference · heading northwest
See live SDM→UBJ fares Phone-only fares on this route — call free
Flight time details
6,054 miles nonstop takes roughly 12h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- SDM — Brown Field Municipal Airport · San Diego, United States
- 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 SDM
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 SDM from UBJ?
The flight distance from San Diego (SDM) to Yamaguchi (UBJ) is 6,054 miles (9,743 km, 5,261 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDM to UBJ?
A nonstop flight takes about 12h 20m 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 San Diego and Yamaguchi?
Yamaguchi is 16 hours ahead of San Diego.
What is the cheapest way to fly from SDM to UBJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDM–UBJ that never appear on search engines, with no booking fees.