| Mason City to Massarosa | 4,799.30 mi (7,723.73 km) |
| Mason City to Matelica | 4,927.55 mi (7,930.13 km) |
| Mason City to Matera | 5,184.49 mi (8,343.63 km) |
| Mason City to Matino | 5,272.45 mi (8,485.18 km) |
| Mason City to Mazzarino | 5,255.33 mi (8,457.64 km) |
| Mason City to Meda | 4,675.34 mi (7,524.23 km) |
| Mason City to Medesano | 4,752.09 mi (7,647.76 km) |
| Mason City to Medicina | 4,819.96 mi (7,756.98 km) |
| Mason City to Meldola | 4,851.41 mi (7,807.59 km) |
| Mason City to Melegnano | 4,694.78 mi (7,555.52 km) |
| Mason City to Melendugno | 5,268.30 mi (8,478.51 km) |
| Mason City to Melfi | 5,132.91 mi (8,260.62 km) |
| Mason City to Melilli | 5,297.00 mi (8,524.70 km) |
| Mason City to Melito di Napoli | 5,083.56 mi (8,181.20 km) |
| Mason City to Melito di Porto Salvo | 5,287.30 mi (8,509.08 km) |
