| Mason City to Arapgir | 6,005.23 mi (9,664.49 km) |
| Mason City to Ardahan | 6,000.90 mi (9,657.51 km) |
| Mason City to Ardesen | 5,950.04 mi (9,575.66 km) |
| Mason City to Arhavi | 5,950.21 mi (9,575.94 km) |
| Mason City to Aricak | 6,080.38 mi (9,785.43 km) |
| Mason City to Armutlu | 5,621.54 mi (9,046.99 km) |
| Mason City to Arnavutkoy | 5,582.79 mi (8,984.64 km) |
| Mason City to Arpacay | 6,033.16 mi (9,709.44 km) |
| Mason City to Arsin | 5,935.18 mi (9,551.74 km) |
| Mason City to Arsuz | 6,076.75 mi (9,779.59 km) |
| Mason City to Artvin | 5,973.04 mi (9,612.67 km) |
| Mason City to Asagicinik | 5,814.07 mi (9,356.85 km) |
| Mason City to Asarcik | 5,825.35 mi (9,374.99 km) |
| Mason City to Askale | 6,016.68 mi (9,682.91 km) |
| Mason City to Aslanapa | 5,726.29 mi (9,215.57 km) |
