| Welwyn Garden City to Kothen | 517.10 mi (832.19 km) |
| Welwyn Garden City to Kranenburg | 264.86 mi (426.26 km) |
| Welwyn Garden City to Krefeld | 292.03 mi (469.98 km) |
| Welwyn Garden City to Kressbronn am Bodensee | 524.82 mi (844.62 km) |
| Welwyn Garden City to Kreuzau | 297.90 mi (479.42 km) |
| Welwyn Garden City to Kreuztal | 356.40 mi (573.56 km) |
| Welwyn Garden City to Kriftel | 395.07 mi (635.81 km) |
| Welwyn Garden City to Kronach | 511.67 mi (823.46 km) |
| Welwyn Garden City to Kronberg | 394.04 mi (634.15 km) |
| Welwyn Garden City to Kronshagen | 460.43 mi (740.99 km) |
| Welwyn Garden City to Krumbach | 528.52 mi (850.57 km) |
| Welwyn Garden City to Kulmbach | 518.99 mi (835.23 km) |
| Welwyn Garden City to Kummersbruck | 553.88 mi (891.38 km) |
| Welwyn Garden City to Kunzell | 437.57 mi (704.19 km) |
| Welwyn Garden City to Kunzelsau | 466.90 mi (751.40 km) |
