| Belfast to Karditsa | 1,663.39 mi (2,676.96 km) |
| Belfast to Kastoria | 1,581.41 mi (2,545.03 km) |
| Belfast to Katerini | 1,638.37 mi (2,636.70 km) |
| Belfast to Keratsini | 1,796.56 mi (2,891.29 km) |
| Belfast to Kerkyra | 1,580.10 mi (2,542.93 km) |
| Belfast to Kiato | 1,763.65 mi (2,838.31 km) |
| Belfast to Kifisia | 1,797.58 mi (2,892.92 km) |
| Belfast to Kilkis | 1,616.10 mi (2,600.86 km) |
| Belfast to Komotini | 1,705.15 mi (2,744.17 km) |
| Belfast to Korinthos | 1,773.68 mi (2,854.46 km) |
| Belfast to Koropi | 1,809.18 mi (2,911.59 km) |
| Belfast to Korydallos | 1,796.88 mi (2,891.79 km) |
| Belfast to Kos | 1,984.98 mi (3,194.51 km) |
| Belfast to Kozani | 1,610.88 mi (2,592.46 km) |
| Belfast to Lagos | 1,692.05 mi (2,723.09 km) |
