| Cayey to Octeville | 4,137.69 mi (6,658.96 km) |
| Cayey to Oignies | 4,348.13 mi (6,997.63 km) |
| Cayey to Oissel | 4,257.61 mi (6,851.97 km) |
| Cayey to Olivet | 4,286.90 mi (6,899.11 km) |
| Cayey to Ollioules | 4,472.78 mi (7,198.24 km) |
| Cayey to Olonne-sur-Mer | 4,107.68 mi (6,610.68 km) |
| Cayey to Oloron-Sainte-Marie | 4,147.69 mi (6,675.06 km) |
| Cayey to Onet Village | 4,310.07 mi (6,936.39 km) |
| Cayey to Onnaing | 4,374.30 mi (7,039.76 km) |
| Cayey to Orange | 4,419.64 mi (7,112.73 km) |
| Cayey to Orchies | 4,359.15 mi (7,015.37 km) |
| Cayey to Orleans | 4,287.46 mi (6,900.00 km) |
| Cayey to Orly | 4,313.29 mi (6,941.57 km) |
| Cayey to Ormesson-sur-Marne | 4,320.09 mi (6,952.51 km) |
| Cayey to Orsay | 4,303.75 mi (6,926.21 km) |
