| Mason City to Mels | 4,623.82 mi (7,441.33 km) |
| Mason City to Mendrisio | 4,659.72 mi (7,499.10 km) |
| Mason City to Meyrin | 4,535.34 mi (7,298.92 km) |
| Mason City to Mohlin | 4,544.44 mi (7,313.57 km) |
| Mason City to Monthey | 4,567.18 mi (7,350.17 km) |
| Mason City to Montreux | 4,558.11 mi (7,335.56 km) |
| Mason City to Morges | 4,538.94 mi (7,304.71 km) |
| Mason City to Munchenstein | 4,537.82 mi (7,302.91 km) |
| Mason City to Muri | 4,557.84 mi (7,335.13 km) |
| Mason City to Muttenz | 4,539.04 mi (7,304.88 km) |
| Mason City to Naters | 4,602.83 mi (7,407.53 km) |
| Mason City to Neuchatel | 4,534.59 mi (7,297.72 km) |
| Mason City to Neuenhof | 4,566.90 mi (7,349.72 km) |
| Mason City to Neuhausen am Rheinfall | 4,567.19 mi (7,350.17 km) |
| Mason City to Niederhasli | 4,571.11 mi (7,356.49 km) |
