| Mason City to La Union | 4,615.09 mi (7,427.27 km) |
| Mason City to La Victoria de Acentejo | 4,268.44 mi (6,869.39 km) |
| Mason City to Laguna de Duero | 4,288.80 mi (6,902.15 km) |
| Mason City to Lalin | 4,102.75 mi (6,602.73 km) |
| Mason City to Lardero | 4,350.87 mi (7,002.05 km) |
| Mason City to Laredo | 4,272.60 mi (6,876.08 km) |
| Mason City to Las Cabezas de San Juan | 4,418.00 mi (7,110.08 km) |
| Mason City to Las Palmas | 4,331.80 mi (6,971.37 km) |
| Mason City to Las Rozas de Madrid | 4,367.92 mi (7,029.49 km) |
| Mason City to Las Torres de Cotillas | 4,582.05 mi (7,374.10 km) |
| Mason City to Lebrija | 4,414.35 mi (7,104.22 km) |
| Mason City to Leganes | 4,379.12 mi (7,047.52 km) |
| Mason City to Leon | 4,213.06 mi (6,780.27 km) |
| Mason City to Lepe | 4,350.43 mi (7,001.34 km) |
| Mason City to Linares | 4,475.51 mi (7,202.64 km) |
