| Norristown to Nasaud | 4,651.06 mi (7,485.16 km) |
| Norristown to Navodari | 4,935.88 mi (7,943.54 km) |
| Norristown to Negresti-Oas | 4,590.34 mi (7,387.44 km) |
| Norristown to Nehoiu | 4,802.80 mi (7,729.37 km) |
| Norristown to Ocna Mures | 4,665.56 mi (7,508.49 km) |
| Norristown to Odobesti | 4,814.98 mi (7,748.96 km) |
| Norristown to Odorheiu Secuiesc | 4,724.50 mi (7,603.34 km) |
| Norristown to Oltenita | 4,868.67 mi (7,835.37 km) |
| Norristown to Onesti | 4,783.11 mi (7,697.67 km) |
| Norristown to Oradea | 4,563.21 mi (7,343.77 km) |
| Norristown to Orastie | 4,661.18 mi (7,501.45 km) |
| Norristown to Oravita | 4,632.77 mi (7,455.72 km) |
| Norristown to Orsova | 4,673.76 mi (7,521.70 km) |
| Norristown to Otelu Rosu | 4,640.72 mi (7,468.52 km) |
| Norristown to Otopeni | 4,827.00 mi (7,768.30 km) |
