| Santurce-Antiguo to Karditsa | 1,317.44 mi (2,120.21 km) |
| Santurce-Antiguo to Kastoria | 1,259.56 mi (2,027.07 km) |
| Santurce-Antiguo to Katerini | 1,326.67 mi (2,135.06 km) |
| Santurce-Antiguo to Keratsini | 1,438.47 mi (2,314.99 km) |
| Santurce-Antiguo to Kerkyra | 1,211.35 mi (1,949.48 km) |
| Santurce-Antiguo to Kiato | 1,393.93 mi (2,243.31 km) |
| Santurce-Antiguo to Kifisia | 1,445.29 mi (2,325.98 km) |
| Santurce-Antiguo to Kilkis | 1,330.95 mi (2,141.95 km) |
| Santurce-Antiguo to Komotini | 1,456.78 mi (2,344.45 km) |
| Santurce-Antiguo to Korinthos | 1,404.79 mi (2,260.78 km) |
| Santurce-Antiguo to Koropi | 1,453.13 mi (2,338.59 km) |
| Santurce-Antiguo to Korydallos | 1,439.68 mi (2,316.94 km) |
| Santurce-Antiguo to Kos | 1,651.11 mi (2,657.20 km) |
| Santurce-Antiguo to Kozani | 1,289.95 mi (2,075.98 km) |
| Santurce-Antiguo to Lagos | 1,437.75 mi (2,313.83 km) |
