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OKO to ASM: distance & flight time
Yokota (Yokota Air Base) → Asmara (Asmara International Airport)
6,170 mi
9,929 km · 5,361 nm
12h 34m
estimated nonstop flight time
-6h
time difference · heading west
See live OKO→ASM fares Phone-only fares on this route — call free
Flight time details
6,170 miles nonstop takes roughly 12h 34m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- ASM — Asmara International Airport · Asmara, Eritrea
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 ASM
- MSW · Massawa International Airport40 mi away
- AXU · Axum Airport80 mi away
- MQX · Mekele Airport133 mi away
Frequently asked questions
How far is OKO from ASM?
The flight distance from Yokota (OKO) to Asmara (ASM) is 6,170 miles (9,929 km, 5,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to ASM?
A nonstop flight takes about 12h 34m 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 Asmara?
Asmara is 6 hours behind Yokota.
What is the cheapest way to fly from OKO to ASM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–ASM that never appear on search engines, with no booking fees.