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GSO to CAT: distance & flight time
Greensboro (Piedmont Triad International Airport) → Cascais (Cascais Airport)
3,778 mi
6,080 km · 3,283 nm
7h 52m
estimated nonstop flight time
+5h
time difference · heading northeast
See live GSO→CAT fares Phone-only fares on this route — call free
Flight time details
3,778 miles nonstop takes roughly 7h 52m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- GSO — Piedmont Triad International Airport · Greensboro, United States
- CAT — Cascais Airport · Cascais, Portugal
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 GSO
- INT · Smith Reynolds Airport16 mi away
- CLT · Charlotte Douglas International Airport83 mi away
- DAN · Danville Regional Airport47 mi away
- SVH · Statesville Regional Airport61 mi away
Near CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is GSO from CAT?
The flight distance from Greensboro (GSO) to Cascais (CAT) is 3,778 miles (6,080 km, 3,283 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSO to CAT?
A nonstop flight takes about 7h 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 Greensboro and Cascais?
Cascais is 5 hours ahead of Greensboro.
What is the cheapest way to fly from GSO to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSO–CAT that never appear on search engines, with no booking fees.