| Porta Westfalica to Octeville | 493.62 mi (794.40 km) |
| Porta Westfalica to Oignies | 283.25 mi (455.85 km) |
| Porta Westfalica to Oissel | 395.71 mi (636.83 km) |
| Porta Westfalica to Olivet | 433.04 mi (696.91 km) |
| Porta Westfalica to Ollioules | 643.25 mi (1,035.21 km) |
| Porta Westfalica to Olonne-sur-Mer | 620.21 mi (998.12 km) |
| Porta Westfalica to Oloron-Sainte-Marie | 763.70 mi (1,229.06 km) |
| Porta Westfalica to Onet Village | 615.24 mi (990.13 km) |
| Porta Westfalica to Onnaing | 262.75 mi (422.85 km) |
| Porta Westfalica to Orange | 589.36 mi (948.49 km) |
| Porta Westfalica to Orchies | 273.34 mi (439.89 km) |
| Porta Westfalica to Orleans | 430.84 mi (693.37 km) |
| Porta Westfalica to Orly | 374.27 mi (602.33 km) |
| Porta Westfalica to Ormesson-sur-Marne | 367.43 mi (591.32 km) |
| Porta Westfalica to Orsay | 383.34 mi (616.92 km) |
