| Romanshorn to Karakocan | 1,641.23 mi (2,641.31 km) |
| Romanshorn to Karakopru | 1,651.41 mi (2,657.68 km) |
| Romanshorn to Karaman | 1,405.01 mi (2,261.14 km) |
| Romanshorn to Karapinar | 1,397.04 mi (2,248.32 km) |
| Romanshorn to Karatas | 1,525.44 mi (2,454.96 km) |
| Romanshorn to Karatepe | 1,120.97 mi (1,804.02 km) |
| Romanshorn to Karayilan | 1,556.39 mi (2,504.77 km) |
| Romanshorn to Kargipinar | 1,479.01 mi (2,380.24 km) |
| Romanshorn to Karkamis | 1,629.97 mi (2,623.18 km) |
| Romanshorn to Karliova | 1,674.04 mi (2,694.10 km) |
| Romanshorn to Kars | 1,726.86 mi (2,779.11 km) |
| Romanshorn to Kartal | 1,080.85 mi (1,739.46 km) |
| Romanshorn to Kas | 1,298.98 mi (2,090.50 km) |
| Romanshorn to Kastamonu | 1,271.29 mi (2,045.95 km) |
| Romanshorn to Kavak | 1,385.07 mi (2,229.06 km) |
