| Mason City to Amersham | 4,071.89 mi (6,553.07 km) |
| Mason City to Amesbury | 4,046.83 mi (6,512.74 km) |
| Mason City to Ammanford | 3,942.80 mi (6,345.32 km) |
| Mason City to Ampthill | 4,063.31 mi (6,539.27 km) |
| Mason City to Andover | 4,056.66 mi (6,528.57 km) |
| Mason City to Annan | 3,862.59 mi (6,216.24 km) |
| Mason City to Antrim | 3,767.21 mi (6,062.74 km) |
| Mason City to Appleton | 3,942.71 mi (6,345.17 km) |
| Mason City to Appley Bridge | 3,928.61 mi (6,322.48 km) |
| Mason City to Arbroath | 3,834.78 mi (6,171.48 km) |
| Mason City to Ardrossan | 3,787.68 mi (6,095.69 km) |
| Mason City to Armadale | 3,817.89 mi (6,144.30 km) |
| Mason City to Armthorpe | 3,989.48 mi (6,420.45 km) |
| Mason City to Arnold | 4,005.45 mi (6,446.15 km) |
| Mason City to Ascot | 4,079.18 mi (6,564.80 km) |
