It is cheaper to fly from London to Dublin than to rent a car in London and drive (and catch a ferry across the Irish sea) to Dublin. If you shop around you can get some very good value air fairs from London to Dublin.
London is better than Rome on my opinion
Dublin would be better. Shannon is just a town near Shannon Airport. Dublin is a city with many attractions, so there is far more to see and do.
Cardiff is in Wales. Dublin is in Ireland. Edinburgh is in Scotland. London is in England.
280 air miles between Dublin and Heathrow, London.
Many airlines fly between London in England and Dublin in Ireland. You can book on their websites.
No, Dublin is not the capital of England. Dublin is the capital of Ireland and the capital of England is London.
Dublin in Ireland and London in England are in the same time zone, so it would be twelve o'clock.
From Dublin, Ireland to London, England is 459 kilometres or 285 miles.
The furthest city is dublin
It takes about 45 minutes to fly from London, England to Dublin, Ireland. Dublin is 291 miles [469 kilometers; 253 nautical miles] from London. They're in the same time zone.
Better in which specific points?