| Waterford to Octeville | 299.97 mi (482.75 km) |
| Waterford to Oignies | 453.40 mi (729.68 km) |
| Waterford to Oissel | 411.28 mi (661.88 km) |
| Waterford to Olivet | 501.93 mi (807.78 km) |
| Waterford to Ollioules | 869.79 mi (1,399.79 km) |
| Waterford to Olonne-sur-Mer | 462.57 mi (744.44 km) |
| Waterford to Oloron-Sainte-Marie | 695.01 mi (1,118.50 km) |
| Waterford to Onet Village | 703.64 mi (1,132.40 km) |
| Waterford to Onnaing | 480.35 mi (773.05 km) |
| Waterford to Orange | 783.55 mi (1,261.01 km) |
| Waterford to Orchies | 463.66 mi (746.19 km) |
| Waterford to Orleans | 500.50 mi (805.47 km) |
| Waterford to Orly | 483.21 mi (777.66 km) |
| Waterford to Ormesson-sur-Marne | 487.15 mi (783.99 km) |
| Waterford to Orsay | 477.24 mi (768.04 km) |
