| Chios to Octeville | 1,571.51 mi (2,529.11 km) |
| Chios to Oignies | 1,405.48 mi (2,261.90 km) |
| Chios to Oissel | 1,449.67 mi (2,333.03 km) |
| Chios to Olivet | 1,378.90 mi (2,219.12 km) |
| Chios to Ollioules | 1,108.65 mi (1,784.20 km) |
| Chios to Olonne-sur-Mer | 1,520.56 mi (2,447.11 km) |
| Chios to Oloron-Sainte-Marie | 1,431.64 mi (2,304.00 km) |
| Chios to Onet Village | 1,283.78 mi (2,066.04 km) |
| Chios to Onnaing | 1,379.34 mi (2,219.84 km) |
| Chios to Orange | 1,173.18 mi (1,888.05 km) |
| Chios to Orchies | 1,395.91 mi (2,246.50 km) |
| Chios to Orleans | 1,379.42 mi (2,219.96 km) |
| Chios to Orly | 1,379.49 mi (2,220.07 km) |
| Chios to Ormesson-sur-Marne | 1,374.48 mi (2,212.01 km) |
| Chios to Orsay | 1,386.95 mi (2,232.09 km) |
