Need help booking?
Unpublished phone-only deals available
KCT to OKO: distance & flight time
Koggala (Koggala Airport) → Yokota (Yokota Air Base)
4,253 mi
6,844 km · 3,696 nm
8h 48m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live KCT→OKO fares Phone-only fares on this route — call free
Flight time details
4,253 miles nonstop takes roughly 8h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- KCT — Koggala Airport · Koggala, Sri Lanka
- 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 KCT
- HRI · Mattala Rajapaksa International Airport59 mi away
- RML · Colombo Ratmalana Airport65 mi away
- WRZ · Weerawila Airport65 mi away
- CMB · Bandaranaike International Colombo Airport87 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 KCT from OKO?
The flight distance from Koggala (KCT) to Yokota (OKO) is 4,253 miles (6,844 km, 3,696 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KCT to OKO?
A nonstop flight takes about 8h 48m 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 Koggala and Yokota?
Yokota is 3.5 hours ahead of Koggala.
What is the cheapest way to fly from KCT to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KCT–OKO that never appear on search engines, with no booking fees.