Need help booking?
Unpublished phone-only deals available
GMU to CAT: distance & flight time
Greenville (Greenville Downtown Airport) → Cascais (Cascais Airport)
3,938 mi
6,338 km · 3,422 nm
8h 11m
estimated nonstop flight time
—
time difference · heading northeast
See live GMU→CAT fares Phone-only fares on this route — call free
Flight time details
3,938 miles nonstop takes roughly 8h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GMU — Greenville Downtown Airport · Greenville, 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 GMU
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 GMU from CAT?
The flight distance from Greenville (GMU) to Cascais (CAT) is 3,938 miles (6,338 km, 3,422 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMU to CAT?
A nonstop flight takes about 8h 11m 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 cheapest way to fly from GMU to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMU–CAT that never appear on search engines, with no booking fees.