| Catonsville to Karditsa | 4,965.12 mi (7,990.59 km) |
| Catonsville to Kastoria | 4,890.53 mi (7,870.55 km) |
| Catonsville to Katerini | 4,953.17 mi (7,971.35 km) |
| Catonsville to Keratsini | 5,096.55 mi (8,202.10 km) |
| Catonsville to Kerkyra | 4,868.47 mi (7,835.04 km) |
| Catonsville to Kiato | 5,057.15 mi (8,138.70 km) |
| Catonsville to Kifisia | 5,100.27 mi (8,208.09 km) |
| Catonsville to Kilkis | 4,939.27 mi (7,948.99 km) |
| Catonsville to Komotini | 5,040.51 mi (8,111.92 km) |
| Catonsville to Korinthos | 5,067.86 mi (8,155.93 km) |
| Catonsville to Koropi | 5,110.44 mi (8,224.46 km) |
| Catonsville to Korydallos | 5,097.29 mi (8,203.29 km) |
| Catonsville to Kos | 5,299.91 mi (8,529.38 km) |
| Catonsville to Kozani | 4,921.33 mi (7,920.12 km) |
| Catonsville to Lagos | 5,025.75 mi (8,088.16 km) |
