| Mason City to Marsala | 5,161.63 mi (8,306.84 km) |
| Mason City to Marsciano | 4,918.03 mi (7,914.80 km) |
| Mason City to Martano | 5,270.37 mi (8,481.84 km) |
| Mason City to Martellago | 4,790.76 mi (7,709.98 km) |
| Mason City to Martina Franca | 5,210.08 mi (8,384.81 km) |
| Mason City to Martinengo | 4,701.90 mi (7,566.98 km) |
| Mason City to Martinsicuro | 4,978.72 mi (8,012.47 km) |
| Mason City to Mascali | 5,272.77 mi (8,485.70 km) |
| Mason City to Mascalucia | 5,275.80 mi (8,490.58 km) |
| Mason City to Masera di Padova | 4,790.62 mi (7,709.76 km) |
| Mason City to Maserada sul Piave | 4,787.28 mi (7,704.38 km) |
| Mason City to Massa | 4,784.26 mi (7,699.52 km) |
| Mason City to Massa Lombarda | 4,828.27 mi (7,770.35 km) |
| Mason City to Massafra | 5,207.76 mi (8,381.08 km) |
| Mason City to Massalubrense | 5,102.27 mi (8,211.30 km) |
