| Leixlip to Octeville | 331.68 mi (533.79 km) |
| Leixlip to Oignies | 450.40 mi (724.85 km) |
| Leixlip to Oissel | 428.79 mi (690.07 km) |
| Leixlip to Olivet | 528.19 mi (850.04 km) |
| Leixlip to Ollioules | 903.53 mi (1,454.10 km) |
| Leixlip to Olonne-sur-Mer | 515.98 mi (830.39 km) |
| Leixlip to Oloron-Sainte-Marie | 752.30 mi (1,210.70 km) |
| Leixlip to Onet Village | 745.00 mi (1,198.97 km) |
| Leixlip to Onnaing | 476.29 mi (766.52 km) |
| Leixlip to Orange | 817.28 mi (1,315.28 km) |
| Leixlip to Orchies | 459.78 mi (739.94 km) |
| Leixlip to Orleans | 526.43 mi (847.21 km) |
| Leixlip to Orly | 500.05 mi (804.76 km) |
| Leixlip to Ormesson-sur-Marne | 502.96 mi (809.44 km) |
| Leixlip to Orsay | 495.43 mi (797.32 km) |
