| Nampa to Opwijk | 5,002.62 mi (8,050.93 km) |
| Nampa to Ostend | 4,953.02 mi (7,971.12 km) |
| Nampa to Oud-Heverlee | 5,023.32 mi (8,084.26 km) |
| Nampa to Oud-Turnhout | 5,006.79 mi (8,057.66 km) |
| Nampa to Oudenaarde | 4,992.05 mi (8,033.93 km) |
| Nampa to Oudenburg | 4,957.54 mi (7,978.38 km) |
| Nampa to Oupeye | 5,057.43 mi (8,139.14 km) |
| Nampa to Overijse | 5,022.17 mi (8,082.40 km) |
| Nampa to Overpelt | 5,024.17 mi (8,085.61 km) |
| Nampa to Paal | 5,026.73 mi (8,089.74 km) |
| Nampa to Peer | 5,029.63 mi (8,094.41 km) |
| Nampa to Pepinster | 5,069.81 mi (8,159.07 km) |
| Nampa to Peruwelz | 5,008.93 mi (8,061.09 km) |
| Nampa to Perwez | 5,038.54 mi (8,108.74 km) |
| Nampa to Philippeville | 5,053.31 mi (8,132.52 km) |
