| Serpa to Kamen | 1,198.99 mi (1,929.59 km) |
| Serpa to Kamenz | 1,399.89 mi (2,252.90 km) |
| Serpa to Kamp-Lintfort | 1,161.22 mi (1,868.80 km) |
| Serpa to Kandel | 1,099.89 mi (1,770.10 km) |
| Serpa to Kappeln | 1,417.73 mi (2,281.62 km) |
| Serpa to Karben | 1,169.91 mi (1,882.78 km) |
| Serpa to Karlsdorf-Neuthard | 1,114.38 mi (1,793.43 km) |
| Serpa to Karlsfeld | 1,190.14 mi (1,915.35 km) |
| Serpa to Karlsruhe | 1,103.99 mi (1,776.70 km) |
| Serpa to Kassel | 1,242.98 mi (2,000.38 km) |
| Serpa to Kaufbeuren | 1,144.75 mi (1,842.29 km) |
| Serpa to Kaufering | 1,162.24 mi (1,870.44 km) |
| Serpa to Kaufungen | 1,245.32 mi (2,004.16 km) |
| Serpa to Kehl | 1,064.12 mi (1,712.54 km) |
| Serpa to Kelheim | 1,230.26 mi (1,979.91 km) |
