Airport Runs Derry City Belfast / Intnl & City Dublin Knock Carrickfinn Airport Runs Derry City Belfast / Intnl & City Dublin Knock Carrickfinn Location: Derry / Londonderry Mileage: 30 €70 Location: Belfast International Mileage: 79 €150 Location: Dublin Mileage: 143 €280 Location: Knock Mileage: 93 €200 Location: Donegal Airport Mileage: 35 €75