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165.64 air miles
Ireland is only about 50 miles west of Wales (on the British main island shared with England and Scotland) at its closest point, so it would depend on where you were in England and where you wanted to go in Ireland. The flight distance between London and Dublin is 290 miles.
From Dublin in Ireland to Bradford in England is about 185 miles.
Northern Ireland is about 80 miles west of the northern part of England.
England is 130,395 square kilometres or 50,346 square miles. Ireland is 84,421 square kilometres or 32,595 square miles. So England is about 1.54 times bigger than Ireland.
Liverpool is a large city in England, not Ireland. There are many people of Irish descent in Liverpool, and it is sometimes referred to, jokingly, as "The Capital of Ireland" but this IS only a joke.
1946 miles approximately
The air distance in kilometers from Dublin, Ireland, to Bath, England, is 214 miles. That equals 344 kilometers or 186 nautical miles.
England is bigger in size and far bigger in population
About 133 miles.
The air distance from London, England, to Tipperary, Ireland, is 350 miles. That equals 562 kilometers or 304 nautical miles.