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JMS to CAT: distance & flight time
Jamestown (Jamestown Regional Airport) → Cascais (Cascais Airport)
4,311 mi
6,939 km · 3,747 nm
8h 55m
estimated nonstop flight time
+6h
time difference · heading northeast
See live JMS→CAT fares Phone-only fares on this route — call free
Flight time details
4,311 miles nonstop takes roughly 8h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- JMS — Jamestown Regional Airport · Jamestown, 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 JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 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 JMS from CAT?
The flight distance from Jamestown (JMS) to Cascais (CAT) is 4,311 miles (6,939 km, 3,747 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JMS to CAT?
A nonstop flight takes about 8h 55m 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 Jamestown and Cascais?
Cascais is 6 hours ahead of Jamestown.
What is the cheapest way to fly from JMS to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JMS–CAT that never appear on search engines, with no booking fees.