| Sinaia to Jozefow | 508.07 mi (817.67 km) |
| Sinaia to Kalisz | 558.63 mi (899.03 km) |
| Sinaia to Kamien Pomorski | 764.51 mi (1,230.36 km) |
| Sinaia to Kamienna Gora | 577.18 mi (928.88 km) |
| Sinaia to Karczew | 504.64 mi (812.13 km) |
| Sinaia to Kartuzy | 700.94 mi (1,128.05 km) |
| Sinaia to Katowice | 455.01 mi (732.28 km) |
| Sinaia to Kedzierzyn-Kozle | 484.87 mi (780.33 km) |
| Sinaia to Kepno | 537.00 mi (864.22 km) |
| Sinaia to Ketrzyn | 631.21 mi (1,015.83 km) |
| Sinaia to Kety | 430.80 mi (693.31 km) |
| Sinaia to Kielce | 443.79 mi (714.22 km) |
| Sinaia to Kielczow | 554.75 mi (892.79 km) |
| Sinaia to Klobuck | 490.57 mi (789.50 km) |
| Sinaia to Klodzko | 541.03 mi (870.71 km) |
