| Santurce-Antiguo to Jozefow | 1,272.59 mi (2,048.03 km) |
| Santurce-Antiguo to Kalisz | 1,137.77 mi (1,831.07 km) |
| Santurce-Antiguo to Kamien Pomorski | 1,090.24 mi (1,754.58 km) |
| Santurce-Antiguo to Kamienna Gora | 1,030.26 mi (1,658.05 km) |
| Santurce-Antiguo to Karczew | 1,272.14 mi (2,047.32 km) |
| Santurce-Antiguo to Kartuzy | 1,220.76 mi (1,964.63 km) |
| Santurce-Antiguo to Katowice | 1,142.03 mi (1,837.91 km) |
| Santurce-Antiguo to Kedzierzyn-Kozle | 1,109.25 mi (1,785.16 km) |
| Santurce-Antiguo to Kepno | 1,121.76 mi (1,805.30 km) |
| Santurce-Antiguo to Ketrzyn | 1,327.71 mi (2,136.74 km) |
| Santurce-Antiguo to Kety | 1,143.77 mi (1,840.71 km) |
| Santurce-Antiguo to Kielce | 1,221.85 mi (1,966.38 km) |
| Santurce-Antiguo to Kielczow | 1,085.73 mi (1,747.31 km) |
| Santurce-Antiguo to Klobuck | 1,151.97 mi (1,853.91 km) |
| Santurce-Antiguo to Klodzko | 1,046.58 mi (1,684.31 km) |
