| Williamsport to Karditsa | 4,896.91 mi (7,880.81 km) |
| Williamsport to Kastoria | 4,820.96 mi (7,758.59 km) |
| Williamsport to Katerini | 4,882.80 mi (7,858.11 km) |
| Williamsport to Keratsini | 5,028.97 mi (8,093.35 km) |
| Williamsport to Kerkyra | 4,801.84 mi (7,727.81 km) |
| Williamsport to Kiato | 4,990.43 mi (8,031.31 km) |
| Williamsport to Kifisia | 5,032.28 mi (8,098.67 km) |
| Williamsport to Kilkis | 4,867.30 mi (7,833.17 km) |
| Williamsport to Komotini | 4,965.82 mi (7,991.72 km) |
| Williamsport to Korinthos | 5,001.07 mi (8,048.45 km) |
| Williamsport to Koropi | 5,042.70 mi (8,115.45 km) |
| Williamsport to Korydallos | 5,029.65 mi (8,094.44 km) |
| Williamsport to Kos | 5,230.27 mi (8,417.30 km) |
| Williamsport to Kozani | 4,851.62 mi (7,807.93 km) |
| Williamsport to Lagos | 4,951.50 mi (7,968.67 km) |
