| Sinaia to Kluczbork | 514.99 mi (828.80 km) |
| Sinaia to Knurow | 463.02 mi (745.16 km) |
| Sinaia to Kobylka | 521.26 mi (838.88 km) |
| Sinaia to Kokoszki | 696.29 mi (1,120.57 km) |
| Sinaia to Kolbuszowa | 381.29 mi (613.63 km) |
| Sinaia to Kolno | 580.02 mi (933.46 km) |
| Sinaia to Kolo | 567.96 mi (914.05 km) |
| Sinaia to Kolobrzeg | 753.50 mi (1,212.64 km) |
| Sinaia to Koluszki | 514.15 mi (827.45 km) |
| Sinaia to Komorniki | 624.07 mi (1,004.34 km) |
| Sinaia to Konin | 578.23 mi (930.58 km) |
| Sinaia to Konskie | 467.84 mi (752.92 km) |
| Sinaia to Konstancin-Jeziorna | 507.01 mi (815.96 km) |
| Sinaia to Konstantynow Lodzki | 525.33 mi (845.43 km) |
| Sinaia to Koronowo | 647.75 mi (1,042.46 km) |
