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UBJ to SFZ: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Smithfield (North Central State Airport)
7,001 mi
11,267 km · 6,083 nm
14h 12m
estimated nonstop flight time
-13h
time difference · heading north
See live UBJ→SFZ fares Phone-only fares on this route — call free
Flight time details
7,001 miles nonstop takes roughly 14h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- SFZ — North Central State Airport · Smithfield, United States
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 SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is UBJ from SFZ?
The flight distance from Yamaguchi (UBJ) to Smithfield (SFZ) is 7,001 miles (11,267 km, 6,083 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to SFZ?
A nonstop flight takes about 14h 12m 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 Smithfield?
Smithfield is 13 hours behind Yamaguchi.
What is the cheapest way to fly from UBJ to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–SFZ that never appear on search engines, with no booking fees.