| Massy to Kastoria | 1,088.51 mi (1,751.79 km) |
| Massy to Katerini | 1,150.52 mi (1,851.58 km) |
| Massy to Keratsini | 1,297.92 mi (2,088.80 km) |
| Massy to Kerkyra | 1,073.20 mi (1,727.14 km) |
| Massy to Kiato | 1,260.89 mi (2,029.20 km) |
| Massy to Kifisia | 1,300.72 mi (2,093.30 km) |
| Massy to Kilkis | 1,136.86 mi (1,829.59 km) |
| Massy to Komotini | 1,242.65 mi (1,999.85 km) |
| Massy to Korinthos | 1,271.37 mi (2,046.08 km) |
| Massy to Koropi | 1,311.42 mi (2,110.53 km) |
| Massy to Korydallos | 1,298.51 mi (2,089.75 km) |
| Massy to Kos | 1,497.82 mi (2,410.50 km) |
| Massy to Kozani | 1,119.17 mi (1,801.13 km) |
| Massy to Lagos | 1,226.81 mi (1,974.36 km) |
| Massy to Lamia | 1,207.24 mi (1,942.87 km) |
