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WBU to NJA: distance & flight time
Boulder (Boulder Municipal Airport) → Atsugi (Atsugi Naval Air Facility)
5,796 mi
9,328 km · 5,037 nm
11h 50m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→NJA fares Phone-only fares on this route — call free
Flight time details
5,796 miles nonstop takes roughly 11h 50m 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
- NJA — Atsugi Naval Air Facility · Atsugi, 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 mi away
Frequently asked questions
How far is WBU from NJA?
The flight distance from Boulder (WBU) to Atsugi (NJA) is 5,796 miles (9,328 km, 5,037 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to NJA?
A nonstop flight takes about 11h 50m 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 Atsugi?
Atsugi is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to NJA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–NJA that never appear on search engines, with no booking fees.