Need help booking?
Unpublished phone-only deals available
WBU to UKB: distance & flight time
Boulder (Boulder Municipal Airport) → Kobe (Kobe Airport)
6,001 mi
9,657 km · 5,215 nm
12h 14m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→UKB fares Phone-only fares on this route — call free
Flight time details
6,001 miles nonstop takes roughly 12h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- UKB — Kobe Airport · Kobe, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Near UKB
- KIX · Kansai International Airport14 mi away
- ITM · Osaka International Airport16 mi away
- TKS · Tokushima Airport/JMSDF Air Base49 mi away
- TJH · Tajima Airport66 mi away
Frequently asked questions
How far is WBU from UKB?
The flight distance from Boulder (WBU) to Kobe (UKB) is 6,001 miles (9,657 km, 5,215 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to UKB?
A nonstop flight takes about 12h 14m 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 Boulder and Kobe?
Kobe is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to UKB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–UKB that never appear on search engines, with no booking fees.