| Carrigaline to Octeville | 331.48 mi (533.47 km) |
| Carrigaline to Oignies | 501.63 mi (807.30 km) |
| Carrigaline to Oissel | 449.36 mi (723.18 km) |
| Carrigaline to Olivet | 533.02 mi (857.81 km) |
| Carrigaline to Ollioules | 892.41 mi (1,436.19 km) |
| Carrigaline to Olonne-sur-Mer | 471.26 mi (758.42 km) |
| Carrigaline to Oloron-Sainte-Marie | 696.89 mi (1,121.53 km) |
| Carrigaline to Onet Village | 721.01 mi (1,160.36 km) |
| Carrigaline to Onnaing | 528.78 mi (850.99 km) |
| Carrigaline to Orange | 806.65 mi (1,298.18 km) |
| Carrigaline to Orchies | 512.18 mi (824.27 km) |
| Carrigaline to Orleans | 531.83 mi (855.89 km) |
| Carrigaline to Orly | 520.64 mi (837.90 km) |
| Carrigaline to Ormesson-sur-Marne | 525.15 mi (845.15 km) |
| Carrigaline to Orsay | 513.92 mi (827.08 km) |
