| Groslay to Kastoria | 1,092.91 mi (1,758.86 km) |
| Groslay to Katerini | 1,154.50 mi (1,857.98 km) |
| Groslay to Keratsini | 1,303.10 mi (2,097.13 km) |
| Groslay to Kerkyra | 1,079.09 mi (1,736.62 km) |
| Groslay to Kiato | 1,266.47 mi (2,038.19 km) |
| Groslay to Kifisia | 1,305.72 mi (2,101.35 km) |
| Groslay to Kilkis | 1,140.03 mi (1,834.71 km) |
| Groslay to Komotini | 1,244.59 mi (2,002.97 km) |
| Groslay to Korinthos | 1,276.91 mi (2,054.99 km) |
| Groslay to Koropi | 1,316.52 mi (2,118.73 km) |
| Groslay to Korydallos | 1,303.66 mi (2,098.04 km) |
| Groslay to Kos | 1,502.05 mi (2,417.31 km) |
| Groslay to Kozani | 1,123.48 mi (1,808.06 km) |
| Groslay to Lagos | 1,228.94 mi (1,977.78 km) |
| Groslay to Lamia | 1,212.34 mi (1,951.08 km) |
