| Vila Real de Santo Antonio to Octeville | 905.90 mi (1,457.90 km) |
| Vila Real de Santo Antonio to Oignies | 1,051.47 mi (1,692.18 km) |
| Vila Real de Santo Antonio to Oissel | 940.75 mi (1,513.99 km) |
| Vila Real de Santo Antonio to Olivet | 875.22 mi (1,408.52 km) |
| Vila Real de Santo Antonio to Ollioules | 810.44 mi (1,304.28 km) |
| Vila Real de Santo Antonio to Olonne-sur-Mer | 707.31 mi (1,138.31 km) |
| Vila Real de Santo Antonio to Oloron-Sainte-Marie | 548.26 mi (882.34 km) |
| Vila Real de Santo Antonio to Onet Village | 719.95 mi (1,158.64 km) |
| Vila Real de Santo Antonio to Onnaing | 1,061.76 mi (1,708.73 km) |
| Vila Real de Santo Antonio to Orange | 799.04 mi (1,285.93 km) |
| Vila Real de Santo Antonio to Orchies | 1,057.89 mi (1,702.51 km) |
| Vila Real de Santo Antonio to Orleans | 877.60 mi (1,412.36 km) |
| Vila Real de Santo Antonio to Orly | 937.80 mi (1,509.25 km) |
| Vila Real de Santo Antonio to Ormesson-sur-Marne | 944.01 mi (1,519.23 km) |
| Vila Real de Santo Antonio to Orsay | 929.83 mi (1,496.42 km) |
