| Caerfyrddin to Kothen | 692.14 mi (1,113.90 km) |
| Caerfyrddin to Kranenburg | 440.52 mi (708.95 km) |
| Caerfyrddin to Krefeld | 468.06 mi (753.28 km) |
| Caerfyrddin to Kressbronn am Bodensee | 686.26 mi (1,104.42 km) |
| Caerfyrddin to Kreuzau | 472.62 mi (760.62 km) |
| Caerfyrddin to Kreuztal | 532.23 mi (856.55 km) |
| Caerfyrddin to Kriftel | 568.71 mi (915.26 km) |
| Caerfyrddin to Kronach | 687.23 mi (1,106.00 km) |
| Caerfyrddin to Kronberg | 568.09 mi (914.26 km) |
| Caerfyrddin to Kronshagen | 620.21 mi (998.14 km) |
| Caerfyrddin to Krumbach | 695.89 mi (1,119.92 km) |
| Caerfyrddin to Kulmbach | 694.36 mi (1,117.47 km) |
| Caerfyrddin to Kummersbruck | 727.95 mi (1,171.52 km) |
| Caerfyrddin to Kunzell | 613.17 mi (986.80 km) |
| Caerfyrddin to Kunzelsau | 638.40 mi (1,027.40 km) |
