Need help booking?
Unpublished phone-only deals available
GRB to RML: distance & flight time
Green Bay (Austin Straubel International Airport) → Colombo (Colombo Ratmalana Airport)
8,814 mi
14,185 km · 7,659 nm
17h 45m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRB→RML fares Phone-only fares on this route — call free
Flight time details
8,814 miles nonstop takes roughly 17h 45m 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
- RML — Colombo Ratmalana Airport · Colombo, 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 RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 mi away
Frequently asked questions
How far is GRB from RML?
The flight distance from Green Bay (GRB) to Colombo (RML) is 8,814 miles (14,185 km, 7,659 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to RML?
A nonstop flight takes about 17h 45m 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 Colombo?
Colombo is 10.5 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–RML that never appear on search engines, with no booking fees.