# Distance between London (LHR) and Inishmaan (IIA)

Flight distance from London to Inishmaan (London Heathrow Airport – Inishmaan Aerodrome) is 402 miles / 647 kilometers / 349 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from London (LHR) to Inishmaan (IIA) is 508 miles / 818 kilometers and travel time by car is about 9 hours 44 minutes.

## Map of flight path and driving directions from London to Inishmaan.

Shortest flight path between London Heathrow Airport (LHR) and Inishmaan Aerodrome (IIA).

## How far is Inishmaan from London?

There are several ways to calculate distances between London and Inishmaan. Here are two common methods:

Vincenty's formula (applied above)
• 401.799 miles
• 646.632 kilometers
• 349.154 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 400.587 miles
• 644.683 kilometers
• 348.101 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).

## Airport information

A London Heathrow Airport
City: London
Country: United Kingdom
IATA Code: LHR
ICAO Code: EGLL
Coordinates: 51°28′14″N, 0°27′42″W

B Inishmaan Aerodrome
City: Inishmaan
Country: Ireland
IATA Code: IIA
ICAO Code: EIMN
Coordinates: 53°5′34″N, 9°34′5″W

## Time difference and current local times

There is no time difference between London and Inishmaan.

BST

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 84 kg (185 pounds).

## Frequent Flyer Miles Calculator

London (LHR) → Inishmaan (IIA).

Distance:
402
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
402

Round trip?