| Alsip to Octeville | 3,962.68 mi (6,377.32 km) |
| Alsip to Oignies | 4,114.81 mi (6,622.15 km) |
| Alsip to Oissel | 4,079.87 mi (6,565.92 km) |
| Alsip to Olivet | 4,163.01 mi (6,699.72 km) |
| Alsip to Ollioules | 4,500.17 mi (7,242.33 km) |
| Alsip to Olonne-sur-Mer | 4,059.51 mi (6,533.15 km) |
| Alsip to Oloron-Sainte-Marie | 4,225.90 mi (6,800.93 km) |
| Alsip to Onet Village | 4,318.10 mi (6,949.31 km) |
| Alsip to Onnaing | 4,140.65 mi (6,663.73 km) |
| Alsip to Orange | 4,418.44 mi (7,110.80 km) |
| Alsip to Orchies | 4,124.16 mi (6,637.20 km) |
| Alsip to Orleans | 4,161.99 mi (6,698.07 km) |
| Alsip to Orly | 4,151.57 mi (6,681.31 km) |
| Alsip to Ormesson-sur-Marne | 4,155.81 mi (6,688.13 km) |
| Alsip to Orsay | 4,145.11 mi (6,670.90 km) |
