Need help booking?

Unpublished phone-only deals available

OSN to BLT: distance & flight time

Osan (Osan Air Base) → Blackwater (Blackwater Airport)

4,427 mi
7,124 km · 3,847 nm
9h 9m
estimated nonstop flight time
+1h
time difference · heading south
See live OSNBLT fares Phone-only fares on this route — call free

Flight time details

4,427 miles nonstop takes roughly 9h 9m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is OSN from BLT?

The flight distance from Osan (OSN) to Blackwater (BLT) is 4,427 miles (7,124 km, 3,847 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from OSN to BLT?

A nonstop flight takes about 9h 9m 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 Osan and Blackwater?

Blackwater is 1 hour ahead of Osan.

What is the cheapest way to fly from OSN to BLT?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–BLT that never appear on search engines, with no booking fees.
Keep exploring:BLT to OSN Airports near OSN Airports near BLT Time difference OSNBLT Distance calculator