| Highland City to Octeville | 4,351.63 mi (7,003.28 km) |
| Highland City to Oignies | 4,537.71 mi (7,302.74 km) |
| Highland City to Oissel | 4,475.61 mi (7,202.79 km) |
| Highland City to Olivet | 4,537.61 mi (7,302.57 km) |
| Highland City to Ollioules | 4,818.86 mi (7,755.21 km) |
| Highland City to Olonne-sur-Mer | 4,393.86 mi (7,071.24 km) |
| Highland City to Oloron-Sainte-Marie | 4,508.29 mi (7,255.39 km) |
| Highland City to Onet Village | 4,637.96 mi (7,464.08 km) |
| Highland City to Onnaing | 4,564.86 mi (7,346.43 km) |
| Highland City to Orange | 4,747.07 mi (7,639.68 km) |
| Highland City to Orchies | 4,548.25 mi (7,319.69 km) |
| Highland City to Orleans | 4,537.27 mi (7,302.03 km) |
| Highland City to Orly | 4,543.18 mi (7,311.54 km) |
| Highland City to Ormesson-sur-Marne | 4,548.79 mi (7,320.57 km) |
| Highland City to Orsay | 4,535.00 mi (7,298.37 km) |
