| Mason City to Lovington (New Mexico) | 895.21 mi (1,440.70 km) |
| Mason City to Lowell (Indiana) | 322.30 mi (518.69 km) |
| Mason City to Lowell (Massachusetts) | 1,104.85 mi (1,778.08 km) |
| Mason City to Lower Burrell (Pennsylvania) | 715.32 mi (1,151.20 km) |
| Mason City to Lowes Island (Virginia) | 870.82 mi (1,401.45 km) |
| Mason City to Lubbock (Texas) | 811.38 mi (1,305.79 km) |
| Mason City to Lufkin (Texas) | 821.44 mi (1,321.97 km) |
| Mason City to Luling (Louisiana) | 928.73 mi (1,494.65 km) |
| Mason City to Lumberton (North Carolina) | 961.05 mi (1,546.66 km) |
| Mason City to Lumberton (Texas) | 892.51 mi (1,436.36 km) |
| Mason City to Lutz (Florida) | 1,197.61 mi (1,927.37 km) |
| Mason City to Lynbrook (New York) | 1,016.31 mi (1,635.60 km) |
| Mason City to Lynchburg (Virginia) | 836.97 mi (1,346.97 km) |
| Mason City to Lynden (Washington) | 1,448.89 mi (2,331.76 km) |
| Mason City to Lyndhurst (Ohio) | 607.98 mi (978.45 km) |
