| Caerphilly to Kothen | 647.57 mi (1,042.16 km) |
| Caerphilly to Kranenburg | 395.19 mi (636.00 km) |
| Caerphilly to Krefeld | 421.29 mi (678.00 km) |
| Caerphilly to Kressbronn am Bodensee | 635.51 mi (1,022.76 km) |
| Caerphilly to Kreuzau | 424.25 mi (682.76 km) |
| Caerphilly to Kreuztal | 484.83 mi (780.26 km) |
| Caerphilly to Kriftel | 519.69 mi (836.36 km) |
| Caerphilly to Kronach | 639.32 mi (1,028.89 km) |
| Caerphilly to Kronberg | 519.24 mi (835.64 km) |
| Caerphilly to Kronshagen | 584.40 mi (940.51 km) |
| Caerphilly to Krumbach | 645.48 mi (1,038.80 km) |
| Caerphilly to Kulmbach | 646.25 mi (1,040.03 km) |
| Caerphilly to Kummersbruck | 678.99 mi (1,092.72 km) |
| Caerphilly to Kunzell | 565.36 mi (909.86 km) |
| Caerphilly to Kunzelsau | 588.66 mi (947.36 km) |
