| Mason City to Katwijk | 4,231.39 mi (6,809.77 km) |
| Mason City to Kerkrade | 4,342.44 mi (6,988.49 km) |
| Mason City to Klazienaveen | 4,298.63 mi (6,917.98 km) |
| Mason City to Koog aan de Zaan | 4,234.30 mi (6,814.45 km) |
| Mason City to Krimpen aan den IJssel | 4,248.32 mi (6,837.01 km) |
| Mason City to Krommenie | 4,231.85 mi (6,810.50 km) |
| Mason City to Kudelstaart | 4,241.63 mi (6,826.25 km) |
| Mason City to Landgraaf | 4,339.45 mi (6,983.67 km) |
| Mason City to Landsmeer | 4,239.66 mi (6,823.07 km) |
| Mason City to Langedijk | 4,225.23 mi (6,799.86 km) |
| Mason City to Laren | 4,257.86 mi (6,852.36 km) |
| Mason City to Leek | 4,260.91 mi (6,857.28 km) |
| Mason City to Leerdam | 4,267.06 mi (6,867.18 km) |
| Mason City to Leeuwarden | 4,239.24 mi (6,822.40 km) |
| Mason City to Leiden | 4,235.52 mi (6,816.41 km) |
