| Castel Gandolfo to Kirchlengern | 746.37 mi (1,201.17 km) |
| Castel Gandolfo to Kirchlinteln | 788.92 mi (1,269.65 km) |
| Castel Gandolfo to Kirchseeon | 438.69 mi (706.01 km) |
| Castel Gandolfo to Kirchzarten | 487.33 mi (784.29 km) |
| Castel Gandolfo to Kirkel | 582.69 mi (937.76 km) |
| Castel Gandolfo to Kissing | 460.02 mi (740.33 km) |
| Castel Gandolfo to Kisslegg | 438.98 mi (706.46 km) |
| Castel Gandolfo to Kitzingen | 564.58 mi (908.61 km) |
| Castel Gandolfo to Kleinblittersdorf | 579.49 mi (932.60 km) |
| Castel Gandolfo to Kleve | 758.53 mi (1,220.73 km) |
| Castel Gandolfo to Klipphausen | 646.43 mi (1,040.34 km) |
| Castel Gandolfo to Klotze | 754.90 mi (1,214.89 km) |
| Castel Gandolfo to Koblenz | 642.16 mi (1,033.46 km) |
| Castel Gandolfo to Kolbermoor | 422.65 mi (680.20 km) |
| Castel Gandolfo to Kolkwitz | 695.18 mi (1,118.78 km) |
