| Wallingford to Karditsa | 1,390.04 mi (2,237.05 km) |
| Wallingford to Kastoria | 1,309.99 mi (2,108.22 km) |
| Wallingford to Katerini | 1,369.23 mi (2,203.57 km) |
| Wallingford to Keratsini | 1,523.31 mi (2,451.53 km) |
| Wallingford to Kerkyra | 1,302.99 mi (2,096.95 km) |
| Wallingford to Kiato | 1,488.60 mi (2,395.68 km) |
| Wallingford to Kifisia | 1,525.08 mi (2,454.38 km) |
| Wallingford to Kilkis | 1,350.50 mi (2,173.43 km) |
| Wallingford to Komotini | 1,447.13 mi (2,328.94 km) |
| Wallingford to Korinthos | 1,498.84 mi (2,412.16 km) |
| Wallingford to Koropi | 1,536.32 mi (2,472.47 km) |
| Wallingford to Korydallos | 1,523.74 mi (2,452.22 km) |
| Wallingford to Kos | 1,717.07 mi (2,763.35 km) |
| Wallingford to Kozani | 1,340.04 mi (2,156.59 km) |
| Wallingford to Lagos | 1,432.78 mi (2,305.84 km) |
