The counties with Coastlines in Ireland are: Donegal, Derry, Antrim, Down, Louth, Meath, Dublin, Wicklow, Wexford, Waterford, Cork, Kerry, Clare, Galway, Mayo, Sligo and Leitrim. Much of the north of county Limerick is on the Shannon estuary, which leads into the Atlantic Ocean.
Durham
There are, of course, some that have no coastline.
Isn´t Tyne and Wear shorter?
The ceremonial county of Gloucestershire (South Gloucestershire if you prefer) only has a coastline just under 5miles long. The river Severn ends at the junction with the River Wye at Chepstow by the 1st Severn Bridge. Therefore Glos. coastline runs from the 1st Severn bridge downstream to just passed the 2nd crossing, to the border of the City and County of Bristol. All of the North bank is still classed as the River Severn.
Berkshire, Oxfordshire, Shropshire and several other English counties have 0.00 miles of coastline.
Leitrim
Mayo
Cork
Leitrim.
Antrim
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When comparing countries with a coastline, Sint Maarten has the shortest in existence. Monaco has the third shortest coastline.
Alberta
rhode island
England
Cornwall is the county with the longest coastline.
New Hampshire
Slovenia
Countries with the shortest coastlines are countries without a coastline, so ones with 0 km. However, the five countries with the shortest actual coastline are Monaco, Bosnia & Herzegovina, Tuvalu, Jordan, and Nauru in that order.
Alabama
Delaware
If you mean which county has the longest coastline then Kerry does.
The shortest English word is 'a'.