| Mason City to Aberaman | 3,967.00 mi (6,384.28 km) |
| Mason City to Aberbargoed | 3,974.87 mi (6,396.94 km) |
| Mason City to Aberdare | 3,966.12 mi (6,382.86 km) |
| Mason City to Aberdeen | 3,831.78 mi (6,166.66 km) |
| Mason City to Abergavenny | 3,978.12 mi (6,402.16 km) |
| Mason City to Abergele | 3,907.83 mi (6,289.04 km) |
| Mason City to Abertawe | 3,950.67 mi (6,357.99 km) |
| Mason City to Abertillery | 3,977.20 mi (6,400.68 km) |
| Mason City to Aberystwyth | 3,918.70 mi (6,306.54 km) |
| Mason City to Abingdon | 4,047.41 mi (6,513.67 km) |
| Mason City to Abram | 3,935.78 mi (6,334.02 km) |
| Mason City to Accrington | 3,935.42 mi (6,333.44 km) |
| Mason City to Acomb | 3,972.24 mi (6,392.71 km) |
| Mason City to Acton | 4,089.96 mi (6,582.16 km) |
| Mason City to Addlestone | 4,087.21 mi (6,577.73 km) |
