| Mason City to Moulins | 4,416.79 mi (7,108.14 km) |
| Mason City to Mouvaux | 4,244.45 mi (6,830.78 km) |
| Mason City to Mulhouse | 4,517.74 mi (7,270.60 km) |
| Mason City to Muret | 4,464.75 mi (7,185.33 km) |
| Mason City to Nancy | 4,435.89 mi (7,138.87 km) |
| Mason City to Nangis | 4,324.50 mi (6,959.61 km) |
| Mason City to Nanterre | 4,280.34 mi (6,888.54 km) |
| Mason City to Nantes | 4,201.60 mi (6,761.83 km) |
| Mason City to Narbonne | 4,543.73 mi (7,312.42 km) |
| Mason City to Nemours | 4,323.86 mi (6,958.59 km) |
| Mason City to Neuilly-Plaisance | 4,293.35 mi (6,909.48 km) |
| Mason City to Neuilly-sur-Marne | 4,295.26 mi (6,912.56 km) |
| Mason City to Neuilly-sur-Seine | 4,283.44 mi (6,893.53 km) |
| Mason City to Neuville-en-Ferrain | 4,243.39 mi (6,829.07 km) |
| Mason City to Neuville-les-Dieppe | 4,199.76 mi (6,758.86 km) |
