| Caykara to Octeville | 2,099.57 mi (3,378.93 km) |
| Caykara to Oignies | 1,897.76 mi (3,054.15 km) |
| Caykara to Oissel | 1,976.33 mi (3,180.59 km) |
| Caykara to Olivet | 1,936.88 mi (3,117.10 km) |
| Caykara to Ollioules | 1,762.87 mi (2,837.07 km) |
| Caykara to Olonne-sur-Mer | 2,112.62 mi (3,399.93 km) |
| Caykara to Oloron-Sainte-Marie | 2,084.32 mi (3,354.38 km) |
| Caykara to Onet Village | 1,915.26 mi (3,082.31 km) |
| Caykara to Onnaing | 1,870.69 mi (3,010.59 km) |
| Caykara to Orange | 1,807.55 mi (2,908.98 km) |
| Caykara to Orchies | 1,886.85 mi (3,036.59 km) |
| Caykara to Orleans | 1,936.51 mi (3,116.51 km) |
| Caykara to Orly | 1,915.70 mi (3,083.02 km) |
| Caykara to Ormesson-sur-Marne | 1,909.20 mi (3,072.56 km) |
| Caykara to Orsay | 1,924.92 mi (3,097.87 km) |