| Severna Park to Octeville | 3,615.70 mi (5,818.91 km) |
| Severna Park to Oignies | 3,789.39 mi (6,098.44 km) |
| Severna Park to Oissel | 3,737.90 mi (6,015.57 km) |
| Severna Park to Olivet | 3,809.47 mi (6,130.76 km) |
| Severna Park to Ollioules | 4,118.69 mi (6,628.39 km) |
| Severna Park to Olonne-sur-Mer | 3,682.54 mi (5,926.48 km) |
| Severna Park to Oloron-Sainte-Marie | 3,823.07 mi (6,152.63 km) |
| Severna Park to Onet Village | 3,935.66 mi (6,333.83 km) |
| Severna Park to Onnaing | 3,816.23 mi (6,141.63 km) |
| Severna Park to Orange | 4,041.58 mi (6,504.29 km) |
| Severna Park to Orchies | 3,799.54 mi (6,114.77 km) |
| Severna Park to Orleans | 3,808.83 mi (6,129.73 km) |
| Severna Park to Orly | 3,807.79 mi (6,128.04 km) |
| Severna Park to Ormesson-sur-Marne | 3,812.86 mi (6,136.21 km) |
| Severna Park to Orsay | 3,800.26 mi (6,115.93 km) |
