| Romanshorn to Kothen | 311.05 mi (500.59 km) |
| Romanshorn to Kranenburg | 328.07 mi (527.98 km) |
| Romanshorn to Krefeld | 288.99 mi (465.09 km) |
| Romanshorn to Kressbronn am Bodensee | 11.57 mi (18.62 km) |
| Romanshorn to Kreuzau | 255.20 mi (410.70 km) |
| Romanshorn to Kreuztal | 243.33 mi (391.60 km) |
| Romanshorn to Kriftel | 178.71 mi (287.60 km) |
| Romanshorn to Kronach | 205.52 mi (330.75 km) |
| Romanshorn to Kronberg | 185.14 mi (297.96 km) |
| Romanshorn to Kronshagen | 468.81 mi (754.48 km) |
| Romanshorn to Krumbach | 66.63 mi (107.23 km) |
| Romanshorn to Kulmbach | 199.07 mi (320.38 km) |
| Romanshorn to Kummersbruck | 172.56 mi (277.71 km) |
| Romanshorn to Kunzell | 206.99 mi (333.12 km) |
| Romanshorn to Kunzelsau | 119.77 mi (192.75 km) |
