| Piney Green to Octeville | 3,837.07 mi (6,175.17 km) |
| Piney Green to Oignies | 4,018.17 mi (6,466.62 km) |
| Piney Green to Oissel | 3,960.47 mi (6,373.76 km) |
| Piney Green to Olivet | 4,026.75 mi (6,480.43 km) |
| Piney Green to Ollioules | 4,321.35 mi (6,954.54 km) |
| Piney Green to Olonne-sur-Mer | 3,890.33 mi (6,260.88 km) |
| Piney Green to Oloron-Sainte-Marie | 4,017.27 mi (6,465.18 km) |
| Piney Green to Onet Village | 4,139.09 mi (6,661.22 km) |
| Piney Green to Onnaing | 4,045.23 mi (6,510.16 km) |
| Piney Green to Orange | 4,246.91 mi (6,834.75 km) |
| Piney Green to Orchies | 4,028.56 mi (6,483.34 km) |
| Piney Green to Orleans | 4,026.28 mi (6,479.67 km) |
| Piney Green to Orly | 4,029.14 mi (6,484.28 km) |
| Piney Green to Ormesson-sur-Marne | 4,034.53 mi (6,492.96 km) |
| Piney Green to Orsay | 4,021.24 mi (6,471.56 km) |
