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ASH to CAT: distance & flight time
Nashua (Boire Field) → Cascais (Cascais Airport)
3,191 mi
5,136 km · 2,773 nm
6h 43m
estimated nonstop flight time
+5h
time difference · heading east
See live ASH→CAT fares Phone-only fares on this route — call free
Flight time details
3,191 miles nonstop takes roughly 6h 43m gate to gate, flying east. 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from CAT?
The flight distance from Nashua (ASH) to Cascais (CAT) is 3,191 miles (5,136 km, 2,773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to CAT?
A nonstop flight takes about 6h 43m 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 Nashua and Cascais?
Cascais is 5 hours ahead of Nashua.
What is the cheapest way to fly from ASH to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–CAT that never appear on search engines, with no booking fees.