| Barreiro to Karditsa | 1,655.79 mi (2,664.74 km) |
| Barreiro to Kastoria | 1,612.14 mi (2,594.49 km) |
| Barreiro to Katerini | 1,678.49 mi (2,701.26 km) |
| Barreiro to Keratsini | 1,763.00 mi (2,837.28 km) |
| Barreiro to Kerkyra | 1,547.99 mi (2,491.26 km) |
| Barreiro to Kiato | 1,716.13 mi (2,761.85 km) |
| Barreiro to Kifisia | 1,772.02 mi (2,851.79 km) |
| Barreiro to Kilkis | 1,692.59 mi (2,723.96 km) |
| Barreiro to Komotini | 1,824.04 mi (2,935.50 km) |
| Barreiro to Korinthos | 1,726.62 mi (2,778.73 km) |
| Barreiro to Koropi | 1,777.64 mi (2,860.83 km) |
| Barreiro to Korydallos | 1,764.54 mi (2,839.76 km) |
| Barreiro to Kos | 1,973.93 mi (3,176.73 km) |
| Barreiro to Kozani | 1,640.69 mi (2,640.43 km) |
| Barreiro to Lagos | 1,804.00 mi (2,903.25 km) |
