# How far is Guernsey from Alderney?

The distance between Alderney (Alderney Airport) and Guernsey (Guernsey Airport) is 26 miles / 41 kilometers / 22 nautical miles.

The driving distance from Alderney (ACI) to Guernsey (GCI) is 35 miles / 56 kilometers, and travel time by car is about 1 hour 19 minutes.

26
Miles
41
Kilometers
22
Nautical miles

## Distance from Alderney to Guernsey

There are several ways to calculate the distance from Alderney to Guernsey. Here are two standard methods:

Vincenty's formula (applied above)
• 25.572 miles
• 41.155 kilometers
• 22.222 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
• 25.533 miles
• 41.092 kilometers
• 22.188 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 Alderney to Guernsey?

The estimated flight time from Alderney Airport to Guernsey Airport is 32 minutes.

## What is the time difference between Alderney and Guernsey?

There is no time difference between Alderney and Guernsey.

## Flight carbon footprint between Alderney Airport (ACI) and Guernsey Airport (GCI)

On average, flying from Alderney to Guernsey generates about 29 kg of CO2 per passenger, and 29 kilograms equals 63 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Alderney to Guernsey

See the map of the shortest flight path between Alderney Airport (ACI) and Guernsey Airport (GCI).

## Airport information

Origin Alderney Airport
City: Alderney
Country: Guernsey
IATA Code: ACI
ICAO Code: EGJA
Coordinates: 49°42′21″N, 2°12′52″W
Destination Guernsey Airport
City: Guernsey
Country: Guernsey
IATA Code: GCI
ICAO Code: EGJB
Coordinates: 49°26′6″N, 2°36′7″W