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OKO to ASH: distance & flight time
Yokota (Yokota Air Base) → Nashua (Boire Field)
6,673 mi
10,739 km · 5,798 nm
13h 33m
estimated nonstop flight time
-13h
time difference · heading north
See live OKO→ASH fares Phone-only fares on this route — call free
Flight time details
6,673 miles nonstop takes roughly 13h 33m 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
- OKO — Yokota Air Base · Yokota, Japan
- ASH — Boire Field · Nashua, 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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Near ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Frequently asked questions
How far is OKO from ASH?
The flight distance from Yokota (OKO) to Nashua (ASH) is 6,673 miles (10,739 km, 5,798 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to ASH?
A nonstop flight takes about 13h 33m 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 Yokota and Nashua?
Nashua is 13 hours behind Yokota.
What is the cheapest way to fly from OKO to ASH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–ASH that never appear on search engines, with no booking fees.