| Mason City to Adel | 3,959.75 mi (6,372.60 km) |
| Mason City to Adwick le Street | 3,983.36 mi (6,410.60 km) |
| Mason City to Ainsdale | 3,916.40 mi (6,302.84 km) |
| Mason City to Airdrie | 3,809.61 mi (6,130.97 km) |
| Mason City to Aldenham | 4,081.11 mi (6,567.91 km) |
| Mason City to Aldershot | 4,081.68 mi (6,568.83 km) |
| Mason City to Aldridge | 3,991.01 mi (6,422.91 km) |
| Mason City to Alfreton | 3,993.17 mi (6,426.38 km) |
| Mason City to Allestree | 3,994.47 mi (6,428.48 km) |
| Mason City to Alloa | 3,807.94 mi (6,128.29 km) |
| Mason City to Almondbury | 3,961.34 mi (6,375.16 km) |
| Mason City to Alsager | 3,960.04 mi (6,373.07 km) |
| Mason City to Alton | 4,077.33 mi (6,561.83 km) |
| Mason City to Altrincham | 3,948.36 mi (6,354.28 km) |
| Mason City to Amblecote | 3,987.34 mi (6,417.00 km) |
