| Castro Valley to Celbridge | 5,065.59 mi (8,152.28 km) |
| Castro Valley to Clondalkin | 5,070.83 mi (8,160.72 km) |
| Castro Valley to Clonmel | 5,074.03 mi (8,165.86 km) |
| Castro Valley to Cobh | 5,078.16 mi (8,172.51 km) |
| Castro Valley to Cork | 5,070.48 mi (8,160.15 km) |
| Castro Valley to Donegal | 4,957.72 mi (7,978.69 km) |
| Castro Valley to Douglas | 5,072.53 mi (8,163.44 km) |
| Castro Valley to Drogheda | 5,053.92 mi (8,133.49 km) |
| Castro Valley to Dublin | 5,073.59 mi (8,165.15 km) |
| Castro Valley to Dun Dealgan | 5,038.78 mi (8,109.14 km) |
| Castro Valley to Ennis | 5,011.48 mi (8,065.19 km) |
| Castro Valley to Enniscorthy | 5,103.32 mi (8,213.00 km) |
| Castro Valley to Finglas | 5,069.81 mi (8,159.06 km) |
| Castro Valley to Galway | 4,990.34 mi (8,031.17 km) |
| Castro Valley to Glanmire | 5,071.86 mi (8,162.37 km) |
