| Mason City to Amelia | 4,938.16 mi (7,947.20 km) |
| Mason City to Anagni | 5,003.87 mi (8,052.94 km) |
| Mason City to Ancona | 4,929.56 mi (7,933.36 km) |
| Mason City to Andria | 5,146.66 mi (8,282.75 km) |
| Mason City to Angri | 5,104.92 mi (8,215.58 km) |
| Mason City to Anguillara Sabazia | 4,954.14 mi (7,972.92 km) |
| Mason City to Anzio | 4,997.53 mi (8,042.75 km) |
| Mason City to Anzola dell'Emilia | 4,800.82 mi (7,726.17 km) |
| Mason City to Aosta | 4,603.16 mi (7,408.07 km) |
| Mason City to Apricena | 5,088.01 mi (8,188.36 km) |
| Mason City to Aprilia | 4,992.00 mi (8,033.85 km) |
| Mason City to Aradeo | 5,267.51 mi (8,477.24 km) |
| Mason City to Aragona | 5,227.46 mi (8,412.79 km) |
| Mason City to Arco | 4,727.56 mi (7,608.27 km) |
| Mason City to Arcola | 4,771.71 mi (7,679.33 km) |
