| Certaldo to Knurow | 584.65 mi (940.90 km) |
| Certaldo to Kobylka | 766.30 mi (1,233.25 km) |
| Certaldo to Kokoszki | 818.52 mi (1,317.29 km) |
| Certaldo to Kolbuszowa | 684.94 mi (1,102.31 km) |
| Certaldo to Kolno | 842.55 mi (1,355.96 km) |
| Certaldo to Kolo | 692.81 mi (1,114.97 km) |
| Certaldo to Kolobrzeg | 762.33 mi (1,226.84 km) |
| Certaldo to Koluszki | 697.06 mi (1,121.81 km) |
| Certaldo to Komorniki | 656.47 mi (1,056.48 km) |
| Certaldo to Konin | 685.40 mi (1,103.05 km) |
| Certaldo to Konskie | 685.90 mi (1,103.85 km) |
| Certaldo to Konstancin-Jeziorna | 751.10 mi (1,208.78 km) |
| Certaldo to Konstantynow Lodzki | 684.71 mi (1,101.93 km) |
| Certaldo to Koronowo | 744.43 mi (1,198.05 km) |
| Certaldo to Koscian | 644.14 mi (1,036.64 km) |
