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GRB to KCT: distance & flight time
Green Bay (Austin Straubel International Airport) → Koggala (Koggala Airport)
8,876 mi
14,284 km · 7,713 nm
17h 52m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRB→KCT fares Phone-only fares on this route — call free
Flight time details
8,876 miles nonstop takes roughly 17h 52m 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 gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, United States
- KCT — Koggala Airport · Koggala, Sri Lanka
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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Near KCT
- HRI · Mattala Rajapaksa International Airport59 mi away
- RML · Colombo Ratmalana Airport65 mi away
- WRZ · Weerawila Airport65 mi away
- CMB · Bandaranaike International Colombo Airport87 mi away
Frequently asked questions
How far is GRB from KCT?
The flight distance from Green Bay (GRB) to Koggala (KCT) is 8,876 miles (14,284 km, 7,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to KCT?
A nonstop flight takes about 17h 52m 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 Green Bay and Koggala?
Koggala is 10.5 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to KCT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–KCT that never appear on search engines, with no booking fees.