| Mason City to Kamen | 4,368.53 mi (7,030.47 km) |
| Mason City to Kamenz | 4,599.08 mi (7,401.51 km) |
| Mason City to Kamp-Lintfort | 4,333.09 mi (6,973.43 km) |
| Mason City to Kandel | 4,492.26 mi (7,229.59 km) |
| Mason City to Kappeln | 4,317.13 mi (6,947.74 km) |
| Mason City to Karben | 4,463.60 mi (7,183.47 km) |
| Mason City to Karlsdorf-Neuthard | 4,502.25 mi (7,245.68 km) |
| Mason City to Karlsfeld | 4,645.82 mi (7,476.72 km) |
| Mason City to Karlsruhe | 4,502.69 mi (7,246.38 km) |
| Mason City to Kassel | 4,442.89 mi (7,150.13 km) |
| Mason City to Kaufbeuren | 4,630.81 mi (7,452.56 km) |
| Mason City to Kaufering | 4,631.10 mi (7,453.04 km) |
| Mason City to Kaufungen | 4,448.47 mi (7,159.13 km) |
| Mason City to Kehl | 4,500.42 mi (7,242.72 km) |
| Mason City to Kelheim | 4,628.69 mi (7,449.16 km) |
