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HRI to OKO: distance & flight time
Mattala (Mattala Rajapaksa International Airport) → Yokota (Yokota Air Base)
4,197 mi
6,754 km · 3,647 nm
8h 42m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live HRI→OKO fares Phone-only fares on this route — call free
Flight time details
4,197 miles nonstop takes roughly 8h 42m 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
- HRI — Mattala Rajapaksa International Airport · Mattala, 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 HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 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 HRI from OKO?
The flight distance from Mattala (HRI) to Yokota (OKO) is 4,197 miles (6,754 km, 3,647 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRI to OKO?
A nonstop flight takes about 8h 42m 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 Mattala and Yokota?
Yokota is 3.5 hours ahead of Mattala.
What is the cheapest way to fly from HRI to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRI–OKO that never appear on search engines, with no booking fees.