How far is Cascais from Guernsey?
The distance between Guernsey (Guernsey Airport) and Cascais (Cascais Airport) is 811 miles / 1306 kilometers / 705 nautical miles.
The driving distance from Guernsey (GCI) to Cascais (CAT) is 1123 miles / 1808 kilometers, and travel time by car is about 20 hours 12 minutes.
Guernsey Airport – Cascais Airport
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Distance from Guernsey to Cascais
There are several ways to calculate the distance from Guernsey to Cascais. Here are two standard methods:
Vincenty's formula (applied above)- 811.442 miles
- 1305.889 kilometers
- 705.124 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 811.560 miles
- 1306.078 kilometers
- 705.226 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Guernsey to Cascais?
The estimated flight time from Guernsey Airport to Cascais Airport is 2 hours and 2 minutes.
What is the time difference between Guernsey and Cascais?
Flight carbon footprint between Guernsey Airport (GCI) and Cascais Airport (CAT)
On average, flying from Guernsey to Cascais generates about 136 kg of CO2 per passenger, and 136 kilograms equals 300 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Guernsey to Cascais
See the map of the shortest flight path between Guernsey Airport (GCI) and Cascais Airport (CAT).
Airport information
| Origin | Guernsey Airport |
|---|---|
| City: | Guernsey |
| Country: | Guernsey  |
| IATA Code: | GCI |
| ICAO Code: | EGJB |
| Coordinates: | 49°26′6″N, 2°36′7″W |
| Destination | Cascais Airport |
|---|---|
| City: | Cascais |
| Country: | Portugal  |
| IATA Code: | CAT |
| ICAO Code: | LPCS |
| Coordinates: | 38°43′29″N, 9°21′18″W |