| Castanet-Tolosan to Kastoria | 1,033.11 mi (1,662.63 km) |
| Castanet-Tolosan to Katerini | 1,100.15 mi (1,770.52 km) |
| Castanet-Tolosan to Keratsini | 1,215.40 mi (1,956.00 km) |
| Castanet-Tolosan to Kerkyra | 987.23 mi (1,588.79 km) |
| Castanet-Tolosan to Kiato | 1,171.48 mi (1,885.32 km) |
| Castanet-Tolosan to Kifisia | 1,221.83 mi (1,966.34 km) |
| Castanet-Tolosan to Kilkis | 1,103.65 mi (1,776.16 km) |
| Castanet-Tolosan to Komotini | 1,229.19 mi (1,978.18 km) |
| Castanet-Tolosan to Korinthos | 1,182.36 mi (1,902.82 km) |
| Castanet-Tolosan to Koropi | 1,230.01 mi (1,979.51 km) |
| Castanet-Tolosan to Korydallos | 1,216.55 mi (1,957.85 km) |
| Castanet-Tolosan to Kos | 1,427.58 mi (2,297.46 km) |
| Castanet-Tolosan to Kozani | 1,063.63 mi (1,711.74 km) |
| Castanet-Tolosan to Lagos | 1,210.19 mi (1,947.61 km) |
| Castanet-Tolosan to Lamia | 1,130.52 mi (1,819.39 km) |
