| Socorro to Opwijk | 5,339.52 mi (8,593.13 km) |
| Socorro to Ostend | 5,284.24 mi (8,504.16 km) |
| Socorro to Oud-Heverlee | 5,362.04 mi (8,629.37 km) |
| Socorro to Oud-Turnhout | 5,353.80 mi (8,616.10 km) |
| Socorro to Oudenaarde | 5,323.31 mi (8,567.04 km) |
| Socorro to Oudenburg | 5,288.77 mi (8,511.46 km) |
| Socorro to Oupeye | 5,401.68 mi (8,693.17 km) |
| Socorro to Overijse | 5,359.30 mi (8,624.96 km) |
| Socorro to Overpelt | 5,373.04 mi (8,647.07 km) |
| Socorro to Paal | 5,371.66 mi (8,644.84 km) |
| Socorro to Peer | 5,377.74 mi (8,654.63 km) |
| Socorro to Pepinster | 5,413.60 mi (8,712.35 km) |
| Socorro to Peruwelz | 5,335.84 mi (8,587.21 km) |
| Socorro to Perwez | 5,375.72 mi (8,651.39 km) |
| Socorro to Philippeville | 5,383.28 mi (8,663.55 km) |
