Need help booking?
Unpublished phone-only deals available
ZNZ to OSN: distance & flight time
Zanzibar (Abeid Amani Karume International Airport) → Osan (Osan Air Base)
6,357 mi
10,231 km · 5,524 nm
12h 56m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ZNZ→OSN fares Phone-only fares on this route — call free
Flight time details
6,357 miles nonstop takes roughly 12h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ZNZ — Abeid Amani Karume International Airport · Zanzibar, Tanzania
- OSN — Osan Air Base · Osan, South Korea
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 ZNZ
- DAR · Julius Nyerere International Airport45 mi away
- PMA · Pemba Airport78 mi away
- TGT · Tanga Airport79 mi away
- MFA · Mafia Island Airport121 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is ZNZ from OSN?
The flight distance from Zanzibar (ZNZ) to Osan (OSN) is 6,357 miles (10,231 km, 5,524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZNZ to OSN?
A nonstop flight takes about 12h 56m 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 Zanzibar and Osan?
Osan is 6 hours ahead of Zanzibar.
What is the cheapest way to fly from ZNZ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZNZ–OSN that never appear on search engines, with no booking fees.