| Potomac to Celbridge | 3,371.94 mi (5,426.61 km) |
| Potomac to Clondalkin | 3,378.01 mi (5,436.38 km) |
| Potomac to Clonmel | 3,339.60 mi (5,374.56 km) |
| Potomac to Cobh | 3,323.28 mi (5,348.30 km) |
| Potomac to Cork | 3,315.36 mi (5,335.55 km) |
| Potomac to Donegal | 3,290.76 mi (5,295.97 km) |
| Potomac to Douglas | 3,317.10 mi (5,338.36 km) |
| Potomac to Drogheda | 3,373.58 mi (5,429.25 km) |
| Potomac to Dublin | 3,382.94 mi (5,444.32 km) |
| Potomac to Dun Dealgan | 3,367.04 mi (5,418.72 km) |
| Potomac to Ennis | 3,280.27 mi (5,279.08 km) |
| Potomac to Enniscorthy | 3,384.18 mi (5,446.32 km) |
| Potomac to Finglas | 3,382.91 mi (5,444.26 km) |
| Potomac to Galway | 3,271.60 mi (5,265.14 km) |
| Potomac to Glanmire | 3,317.96 mi (5,339.74 km) |
