| Sinnai to Knurow | 884.39 mi (1,423.29 km) |
| Sinnai to Kobylka | 1,066.62 mi (1,716.56 km) |
| Sinnai to Kokoszki | 1,126.58 mi (1,813.05 km) |
| Sinnai to Kolbuszowa | 972.88 mi (1,565.71 km) |
| Sinnai to Kolno | 1,144.51 mi (1,841.90 km) |
| Sinnai to Kolo | 998.46 mi (1,606.86 km) |
| Sinnai to Kolobrzeg | 1,069.97 mi (1,721.96 km) |
| Sinnai to Koluszki | 999.06 mi (1,607.83 km) |
| Sinnai to Komorniki | 964.57 mi (1,552.32 km) |
| Sinnai to Konin | 991.70 mi (1,595.98 km) |
| Sinnai to Konskie | 984.09 mi (1,583.73 km) |
| Sinnai to Konstancin-Jeziorna | 1,050.75 mi (1,691.02 km) |
| Sinnai to Konstantynow Lodzki | 987.87 mi (1,589.82 km) |
| Sinnai to Koronowo | 1,052.27 mi (1,693.47 km) |
| Sinnai to Koscian | 952.18 mi (1,532.38 km) |
