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KNU to OSN: distance & flight time
Kanpur (Kanpur Airport) → Osan (Osan Air Base)
2,807 mi
4,518 km · 2,440 nm
5h 58m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live KNU→OSN fares Phone-only fares on this route — call free
Flight time details
2,807 miles nonstop takes roughly 5h 58m 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
- KNU — Kanpur Airport · Kanpur, India
- 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 KNU
- LKO · Chaudhary Charan Singh International Airport39 mi away
- IXD · Allahabad Airport106 mi away
- HJR · Khajuraho Airport114 mi away
- TNI · Satna Airport130 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 KNU from OSN?
The flight distance from Kanpur (KNU) to Osan (OSN) is 2,807 miles (4,518 km, 2,440 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KNU to OSN?
A nonstop flight takes about 5h 58m 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 Kanpur and Osan?
Osan is 3.5 hours ahead of Kanpur.
What is the cheapest way to fly from KNU to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KNU–OSN that never appear on search engines, with no booking fees.