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OPO to GCI: distance & flight time

Porto (Francisco de Sá Carneiro Airport) → Guernsey (Guernsey Airport)

638 mi
1,026 km · 554 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading northeast
See live OPOGCI fares Phone-only fares on this route — call free

Flight time details

638 miles nonstop takes roughly 1h 51m 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

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.

Frequently asked questions

How far is OPO from GCI?

The flight distance from Porto (OPO) to Guernsey (GCI) is 638 miles (1,026 km, 554 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from OPO to GCI?

A nonstop flight takes about 1h 51m 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 OPO to GCI?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–GCI that never appear on search engines, with no booking fees.
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