| Porthcawl to Kothen | 668.56 mi (1,075.94 km) |
| Porthcawl to Kranenburg | 416.10 mi (669.65 km) |
| Porthcawl to Krefeld | 441.81 mi (711.03 km) |
| Porthcawl to Kressbronn am Bodensee | 652.30 mi (1,049.77 km) |
| Porthcawl to Kreuzau | 444.12 mi (714.74 km) |
| Porthcawl to Kreuztal | 505.12 mi (812.91 km) |
| Porthcawl to Kriftel | 539.12 mi (867.64 km) |
| Porthcawl to Kronach | 659.35 mi (1,061.13 km) |
| Porthcawl to Kronberg | 538.80 mi (867.11 km) |
| Porthcawl to Kronshagen | 605.68 mi (974.75 km) |
| Porthcawl to Krumbach | 663.36 mi (1,067.57 km) |
| Porthcawl to Kulmbach | 666.18 mi (1,072.11 km) |
| Porthcawl to Kummersbruck | 698.42 mi (1,124.00 km) |
| Porthcawl to Kunzell | 585.46 mi (942.20 km) |
| Porthcawl to Kunzelsau | 607.49 mi (977.66 km) |
