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OKO to SIF: distance & flight time
Yokota (Yokota Air Base) → Simara (Simara Airport)
3,218 mi
5,179 km · 2,797 nm
6h 47m
estimated nonstop flight time
-3.2h
time difference · heading west
See live OKO→SIF fares Phone-only fares on this route — call free
Flight time details
3,218 miles nonstop takes roughly 6h 47m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.2-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- SIF — Simara Airport · Simara, Nepal
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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Frequently asked questions
How far is OKO from SIF?
The flight distance from Yokota (OKO) to Simara (SIF) is 3,218 miles (5,179 km, 2,797 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to SIF?
A nonstop flight takes about 6h 47m 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 Simara?
Simara is 3.2 hours behind Yokota.
What is the cheapest way to fly from OKO to SIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–SIF that never appear on search engines, with no booking fees.