| Romanshorn to Klaukkala | 1,078.55 mi (1,735.76 km) |
| Romanshorn to Kokkola | 1,239.57 mi (1,994.90 km) |
| Romanshorn to Kontiolahti | 1,313.49 mi (2,113.87 km) |
| Romanshorn to Korsholm | 1,173.67 mi (1,888.84 km) |
| Romanshorn to Kotka | 1,134.66 mi (1,826.05 km) |
| Romanshorn to Kouvola | 1,148.40 mi (1,848.17 km) |
| Romanshorn to Kuhmo | 1,372.81 mi (2,209.33 km) |
| Romanshorn to Kuopio | 1,271.81 mi (2,046.78 km) |
| Romanshorn to Kurikka | 1,155.85 mi (1,860.17 km) |
| Romanshorn to Kuusamo | 1,462.10 mi (2,353.03 km) |
| Romanshorn to Kuusankoski | 1,148.47 mi (1,848.29 km) |
| Romanshorn to Lahti | 1,129.82 mi (1,818.26 km) |
| Romanshorn to Laitila | 1,042.75 mi (1,678.15 km) |
| Romanshorn to Lapinlahti | 1,290.27 mi (2,076.48 km) |
| Romanshorn to Lappeenranta | 1,193.58 mi (1,920.88 km) |
