| Wallingford Center to Karditsa | 4,709.33 mi (7,578.93 km) |
| Wallingford Center to Kastoria | 4,634.71 mi (7,458.85 km) |
| Wallingford Center to Katerini | 4,697.34 mi (7,559.64 km) |
| Wallingford Center to Keratsini | 4,840.79 mi (7,790.49 km) |
| Wallingford Center to Kerkyra | 4,612.75 mi (7,423.51 km) |
| Wallingford Center to Kiato | 4,801.44 mi (7,727.17 km) |
| Wallingford Center to Kifisia | 4,844.49 mi (7,796.45 km) |
| Wallingford Center to Kilkis | 4,683.48 mi (7,537.33 km) |
| Wallingford Center to Komotini | 4,784.88 mi (7,700.51 km) |
| Wallingford Center to Korinthos | 4,812.14 mi (7,744.40 km) |
| Wallingford Center to Koropi | 4,854.67 mi (7,812.84 km) |
| Wallingford Center to Korydallos | 4,841.52 mi (7,791.68 km) |
| Wallingford Center to Kos | 5,044.09 mi (8,117.67 km) |
| Wallingford Center to Kozani | 4,665.51 mi (7,508.41 km) |
| Wallingford Center to Lagos | 4,770.07 mi (7,676.69 km) |
