| Pirot to Kluczbork | 578.57 mi (931.12 km) |
| Pirot to Knurow | 521.80 mi (839.76 km) |
| Pirot to Kobylka | 637.60 mi (1,026.11 km) |
| Pirot to Kokoszki | 795.80 mi (1,280.71 km) |
| Pirot to Kolbuszowa | 491.95 mi (791.72 km) |
| Pirot to Kolno | 709.43 mi (1,141.72 km) |
| Pirot to Kolo | 651.38 mi (1,048.29 km) |
| Pirot to Kolobrzeg | 825.15 mi (1,327.95 km) |
| Pirot to Koluszki | 608.03 mi (978.54 km) |
| Pirot to Komorniki | 686.08 mi (1,104.14 km) |
| Pirot to Konin | 657.43 mi (1,058.04 km) |
| Pirot to Konskie | 565.25 mi (909.68 km) |
| Pirot to Konstancin-Jeziorna | 620.84 mi (999.15 km) |
| Pirot to Konstantynow Lodzki | 613.03 mi (986.57 km) |
| Pirot to Koronowo | 733.82 mi (1,180.97 km) |
