| Norristown to Mombris | 3,954.87 mi (6,364.74 km) |
| Norristown to Monchengladbach | 3,813.60 mi (6,137.39 km) |
| Norristown to Monschau | 3,823.76 mi (6,153.75 km) |
| Norristown to Montabaur | 3,890.34 mi (6,260.90 km) |
| Norristown to Moosburg | 4,115.74 mi (6,623.64 km) |
| Norristown to Morbach | 3,879.20 mi (6,242.97 km) |
| Norristown to Morfelden-Walldorf | 3,933.35 mi (6,330.11 km) |
| Norristown to Morlenbach | 3,951.27 mi (6,358.96 km) |
| Norristown to Morsbach | 3,873.92 mi (6,234.48 km) |
| Norristown to Mosbach | 3,975.20 mi (6,397.47 km) |
| Norristown to Mosigkau | 4,022.58 mi (6,473.72 km) |
| Norristown to Mossingen | 4,000.00 mi (6,437.38 km) |
| Norristown to Much | 3,859.90 mi (6,211.90 km) |
| Norristown to Mucheln | 4,022.03 mi (6,472.82 km) |
| Norristown to Muhlacker | 3,974.68 mi (6,396.63 km) |
