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OKO to HAN: distance & flight time
Yokota (Yokota Air Base) → Hanoi (Noi Bai International Airport)
2,255 mi
3,630 km · 1,960 nm
4h 53m
estimated nonstop flight time
-2h
time difference · heading west
See live OKO→HAN fares Phone-only fares on this route — call free
Flight time details
2,255 miles nonstop takes roughly 4h 53m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- HAN — Noi Bai International Airport · Hanoi, Vietnam
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 HAN
- HPH · Cat Bi International Airport65 mi away
- SQH · Na-San Airport114 mi away
- NEU · Sam Neua Airport125 mi away
Frequently asked questions
How far is OKO from HAN?
The flight distance from Yokota (OKO) to Hanoi (HAN) is 2,255 miles (3,630 km, 1,960 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to HAN?
A nonstop flight takes about 4h 53m 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 Hanoi?
Hanoi is 2 hours behind Yokota.
What is the cheapest way to fly from OKO to HAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–HAN that never appear on search engines, with no booking fees.