| Mason City to Lombard (Illinois) | 278.27 mi (447.84 km) |
| Mason City to Lomita (California) | 1,496.85 mi (2,408.94 km) |
| Mason City to Lompoc (California) | 1,570.40 mi (2,527.31 km) |
| Mason City to London (Ohio) | 552.37 mi (888.96 km) |
| Mason City to Lone Tree (Colorado) | 654.29 mi (1,052.98 km) |
| Mason City to Long Beach (California) | 1,489.44 mi (2,397.02 km) |
| Mason City to Long Beach (Mississippi) | 911.04 mi (1,466.18 km) |
| Mason City to Long Beach (New York) | 1,018.07 mi (1,638.42 km) |
| Mason City to Long Branch (New Jersey) | 1,007.60 mi (1,621.58 km) |
| Mason City to Longmont (Colorado) | 647.23 mi (1,041.62 km) |
| Mason City to Longview (Texas) | 739.31 mi (1,189.81 km) |
| Mason City to Longview (Washington) | 1,468.84 mi (2,363.87 km) |
| Mason City to Longwood (Florida) | 1,195.63 mi (1,924.18 km) |
| Mason City to Lorain (Ohio) | 574.76 mi (924.99 km) |
| Mason City to Lorton (Virginia) | 887.54 mi (1,428.36 km) |
