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RML to GRB: distance & flight time
Colombo (Colombo Ratmalana Airport) → Green Bay (Austin Straubel International Airport)
8,814 mi
14,185 km · 7,659 nm
17h 45m
estimated nonstop flight time
-10.5h
time difference · heading north
See live RML→GRB 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 set-back when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- GRB — Austin Straubel International Airport · Green Bay, 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 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
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
Frequently asked questions
How far is RML from GRB?
The flight distance from Colombo (RML) to Green Bay (GRB) 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 RML to GRB?
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.
Are there nonstop flights from RML to GRB?
Nonstop service on RML–GRB depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 45m nonstop estimate.
What is the time difference between Colombo and Green Bay?
Green Bay is 10.5 hours behind Colombo.
What is the cheapest way to fly from RML to GRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–GRB that never appear on search engines, with no booking fees.
Why are some RML to GRB fares phone-only?
Consolidator contracts let us sell certain RML–GRB tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.