| Norristown to Nowy Dwor Mazowiecki | 4,318.95 mi (6,950.68 km) |
| Norristown to Nowy Sacz | 4,419.95 mi (7,113.22 km) |
| Norristown to Nowy Targ | 4,399.84 mi (7,080.86 km) |
| Norristown to Nowy Tomysl | 4,154.82 mi (6,686.53 km) |
| Norristown to Nysa | 4,261.90 mi (6,858.86 km) |
| Norristown to Oborniki | 4,169.22 mi (6,709.70 km) |
| Norristown to Oborniki Slaskie | 4,217.37 mi (6,787.20 km) |
| Norristown to Olawa | 4,244.80 mi (6,831.35 km) |
| Norristown to Olecko | 4,324.75 mi (6,960.00 km) |
| Norristown to Olesnica | 4,238.86 mi (6,821.79 km) |
| Norristown to Olesno | 4,288.98 mi (6,902.44 km) |
| Norristown to Olkusz | 4,353.25 mi (7,005.88 km) |
| Norristown to Olsztyn | 4,263.16 mi (6,860.89 km) |
| Norristown to Opalenica | 4,165.54 mi (6,703.79 km) |
| Norristown to Opoczno | 4,340.95 mi (6,986.09 km) |
