| Mason City to Arroyo Grande (California) | 1,560.20 mi (2,510.90 km) |
| Mason City to Artesia (California) | 1,482.64 mi (2,386.08 km) |
| Mason City to Artesia (New Mexico) | 936.33 mi (1,506.88 km) |
| Mason City to Artondale (Washington) | 1,452.04 mi (2,336.83 km) |
| Mason City to Arvada (Colorado) | 658.90 mi (1,060.39 km) |
| Mason City to Arvin (California) | 1,471.47 mi (2,368.11 km) |
| Mason City to Asbury Lake (Florida) | 1,102.36 mi (1,774.08 km) |
| Mason City to Asbury Park (New Jersey) | 1,008.13 mi (1,622.43 km) |
| Mason City to Ashburn (Virginia) | 865.54 mi (1,392.95 km) |
| Mason City to Asheboro (North Carolina) | 878.08 mi (1,413.13 km) |
| Mason City to Asheville (North Carolina) | 771.88 mi (1,242.22 km) |
| Mason City to Ashland (California) | 1,558.54 mi (2,508.23 km) |
| Mason City to Ashland (Kentucky) | 639.37 mi (1,028.97 km) |
| Mason City to Ashland (Ohio) | 580.12 mi (933.62 km) |
| Mason City to Ashland (Oregon) | 1,492.35 mi (2,401.71 km) |
