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CCU to OSH: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Oshkosh (Wittman Regional Airport)
7,829 mi
12,599 km · 6,803 nm
15h 49m
estimated nonstop flight time
-10.5h
time difference · heading north
See live CCU→OSH fares Phone-only fares on this route — call free
Flight time details
7,829 miles nonstop takes roughly 15h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- OSH — Wittman Regional Airport · Oshkosh, United States
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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 mi away
Near OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 mi away
Frequently asked questions
How far is CCU from OSH?
The flight distance from Kolkata (CCU) to Oshkosh (OSH) is 7,829 miles (12,599 km, 6,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to OSH?
A nonstop flight takes about 15h 49m 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 Kolkata and Oshkosh?
Oshkosh is 10.5 hours behind Kolkata.
What is the cheapest way to fly from CCU to OSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–OSH that never appear on search engines, with no booking fees.