| Hartlepool to Karditsa | 1,505.65 mi (2,423.12 km) |
| Hartlepool to Kastoria | 1,421.96 mi (2,288.43 km) |
| Hartlepool to Katerini | 1,476.44 mi (2,376.09 km) |
| Hartlepool to Keratsini | 1,638.20 mi (2,636.43 km) |
| Hartlepool to Kerkyra | 1,427.48 mi (2,297.31 km) |
| Hartlepool to Kiato | 1,607.50 mi (2,587.02 km) |
| Hartlepool to Kifisia | 1,638.38 mi (2,636.72 km) |
| Hartlepool to Kilkis | 1,451.18 mi (2,335.45 km) |
| Hartlepool to Komotini | 1,534.52 mi (2,469.57 km) |
| Hartlepool to Korinthos | 1,617.24 mi (2,602.70 km) |
| Hartlepool to Koropi | 1,650.32 mi (2,655.94 km) |
| Hartlepool to Korydallos | 1,638.38 mi (2,636.72 km) |
| Hartlepool to Kos | 1,820.74 mi (2,930.20 km) |
| Hartlepool to Kozani | 1,450.70 mi (2,334.68 km) |
| Hartlepool to Lagos | 1,522.26 mi (2,449.84 km) |
