| Mason City to Austin (Minnesota) | 37.83 mi (60.88 km) |
| Mason City to Austin (Texas) | 922.44 mi (1,484.52 km) |
| Mason City to Austintown (Ohio) | 653.45 mi (1,051.63 km) |
| Mason City to Avenal (California) | 1,507.40 mi (2,425.93 km) |
| Mason City to Avenel (New Jersey) | 987.69 mi (1,589.53 km) |
| Mason City to Aventura (Florida) | 1,397.38 mi (2,248.87 km) |
| Mason City to Avocado Heights (California) | 1,472.20 mi (2,369.28 km) |
| Mason City to Avon (Indiana) | 422.99 mi (680.74 km) |
| Mason City to Avon (Ohio) | 582.88 mi (938.05 km) |
| Mason City to Avon Lake (Ohio) | 582.19 mi (936.94 km) |
| Mason City to Avondale (Arizona) | 1,232.78 mi (1,983.97 km) |
| Mason City to Azalea Park (Florida) | 1,206.45 mi (1,941.60 km) |
| Mason City to Azle (Texas) | 746.45 mi (1,201.30 km) |
| Mason City to Azusa (California) | 1,464.42 mi (2,356.76 km) |
| Mason City to Bacliff (Texas) | 947.63 mi (1,525.06 km) |
