How far is Inishmore from Guernsey?

The distance between Guernsey (Guernsey Airport) and Inishmore (Inishmore Aerodrome) is 397 miles / 639 kilometers / 345 nautical miles.

The driving distance from Guernsey (GCI) to Inishmore (IOR) is 598 miles / 962 kilometers, and travel time by car is about 16 hours 25 minutes.

Distance from Guernsey to Inishmore

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

Vincenty's formula (applied above)

• 397.090 miles
• 639.054 kilometers
• 345.062 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

• 396.265 miles
• 637.726 kilometers
• 344.345 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 Inishmore?

The estimated flight time from Guernsey Airport to Inishmore Aerodrome is 1 hour and 15 minutes.

What is the time difference between Guernsey and Inishmore?

There is no time difference between Guernsey and Inishmore.

Flight carbon footprint between Guernsey Airport (GCI) and Inishmore Aerodrome (IOR)

On average, flying from Guernsey to Inishmore generates about 83 kg of CO2 per passenger, and 83 kilograms equals 184 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 Inishmore

See the map of the shortest flight path between Guernsey Airport (GCI) and Inishmore Aerodrome (IOR).

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	Inishmore Aerodrome
City:	Inishmore
Country:	Ireland
IATA Code:	IOR
ICAO Code:	EIIM
Coordinates:	53°6′24″N, 9°39′12″W