| Castelo Branco to Celbridge | 935.32 mi (1,505.26 km) |
| Castelo Branco to Clondalkin | 934.45 mi (1,503.86 km) |
| Castelo Branco to Clonmel | 866.29 mi (1,394.17 km) |
| Castelo Branco to Cobh | 832.36 mi (1,339.55 km) |
| Castelo Branco to Cork | 835.97 mi (1,345.36 km) |
| Castelo Branco to Donegal | 1,025.55 mi (1,650.46 km) |
| Castelo Branco to Douglas | 834.44 mi (1,342.90 km) |
| Castelo Branco to Drogheda | 961.78 mi (1,547.84 km) |
| Castelo Branco to Dublin | 936.87 mi (1,507.75 km) |
| Castelo Branco to Dun Dealgan | 981.92 mi (1,580.25 km) |
| Castelo Branco to Ennis | 902.97 mi (1,453.20 km) |
| Castelo Branco to Enniscorthy | 877.60 mi (1,412.35 km) |
| Castelo Branco to Finglas | 944.56 mi (1,520.12 km) |
| Castelo Branco to Galway | 932.52 mi (1,500.74 km) |
| Castelo Branco to Glanmire | 837.13 mi (1,347.23 km) |
