The distance between Shannon Airport (SNN) to Heathrow Airport (LHR) is 815 Km by road. You can also find the distance from Shannon Airport (SNN) to Heathrow Airport (LHR) using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from Shannon Airport (SNN) to Heathrow Airport (LHR) for road driving directions!