| Kilkenny to Octeville | 320.42 mi (515.67 km) |
| Kilkenny to Oignies | 464.82 mi (748.06 km) |
| Kilkenny to Oissel | 428.48 mi (689.58 km) |
| Kilkenny to Olivet | 521.69 mi (839.58 km) |
| Kilkenny to Ollioules | 891.76 mi (1,435.16 km) |
| Kilkenny to Olonne-sur-Mer | 488.16 mi (785.63 km) |
| Kilkenny to Oloron-Sainte-Marie | 721.36 mi (1,160.92 km) |
| Kilkenny to Onet Village | 727.16 mi (1,170.25 km) |
| Kilkenny to Onnaing | 491.53 mi (791.05 km) |
| Kilkenny to Orange | 805.46 mi (1,296.27 km) |
| Kilkenny to Orchies | 474.85 mi (764.19 km) |
| Kilkenny to Orleans | 520.17 mi (837.13 km) |
| Kilkenny to Orly | 500.46 mi (805.41 km) |
| Kilkenny to Ormesson-sur-Marne | 504.12 mi (811.31 km) |
| Kilkenny to Orsay | 494.83 mi (796.36 km) |
