| Roudnice nad Labem to Kastoria | 763.32 mi (1,228.44 km) |
| Roudnice nad Labem to Katerini | 806.75 mi (1,298.34 km) |
| Roudnice nad Labem to Keratsini | 975.84 mi (1,570.46 km) |
| Roudnice nad Labem to Kerkyra | 795.26 mi (1,279.84 km) |
| Roudnice nad Labem to Kiato | 953.76 mi (1,534.93 km) |
| Roudnice nad Labem to Kifisia | 973.24 mi (1,566.28 km) |
| Roudnice nad Labem to Kilkis | 772.15 mi (1,242.65 km) |
| Roudnice nad Labem to Komotini | 837.33 mi (1,347.56 km) |
| Roudnice nad Labem to Korinthos | 962.14 mi (1,548.42 km) |
| Roudnice nad Labem to Koropi | 985.99 mi (1,586.80 km) |
| Roudnice nad Labem to Korydallos | 975.57 mi (1,570.03 km) |
| Roudnice nad Labem to Kos | 1,136.79 mi (1,829.48 km) |
| Roudnice nad Labem to Kozani | 788.19 mi (1,268.47 km) |
| Roudnice nad Labem to Lagos | 827.37 mi (1,331.52 km) |
| Roudnice nad Labem to Lamia | 890.57 mi (1,433.24 km) |
