From Cork city to Donegal town is about 388 kilometres or 241 miles.
386km by road.
Donegal is a large county, so where precisely you are going to in Donegal will make a difference. Depending on traffic, the route you take, and where precisely you are going to, it can take at least 3 to 4 hours, possibly more.
Cork is the city that is furthest south in Ireland, though there are many large towns that are further south than it.
There are many large towns, but no cities in Donegal.
Donegal has 6 TDs in two constituencies. 3 are in Donegal North-East and 3 are in Donegal South-West.
On a good day you could do it in under 4 hours.
Donegal what?!?... There are a lot of cities called this..
Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.Letterkenny.
The distance between Newry, County Down, and Letterkenny, County Donegal, is roughly 110 miles (177 kilometers) by road.
The distance etween Dublin and Cork City is 160 miles. HOWEVER, the distance to County Cork (which is what I think you actually mean) from Dublin is 125 miles.
Ireland has 32 counties and each in their own way is famous for many reasons. Dublin is the county in which the capital city is. Cork is the largest county and has famous places like Blarney Castle in it. Places like Donegal and Kerry are known for there amazing scenery. All the country's around the coast like Donegal, Kerry and Wexford are known for there stunning beaches. Galway, Kerry and Donegal are also known for the amount of Gaelic spoken. Of course Which ever county in Ireland you go to are all breathtakingly beautiful from the lovely scenery to the lovely people!