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IAG to OKO: distance & flight time
Niagara Falls (Niagara Falls International Airport) → Yokota (Yokota Air Base)
6,479 mi
10,427 km · 5,630 nm
13h 10m
estimated nonstop flight time
+13h
time difference · heading northwest
See live IAG→OKO fares Phone-only fares on this route — call free
Flight time details
6,479 miles nonstop takes roughly 13h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- IAG — Niagara Falls International Airport · Niagara Falls, United States
- OKO — Yokota Air Base · Yokota, 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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
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
Frequently asked questions
How far is IAG from OKO?
The flight distance from Niagara Falls (IAG) to Yokota (OKO) is 6,479 miles (10,427 km, 5,630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to OKO?
A nonstop flight takes about 13h 10m 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 Niagara Falls and Yokota?
Yokota is 13 hours ahead of Niagara Falls.
What is the cheapest way to fly from IAG to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–OKO that never appear on search engines, with no booking fees.