| Williamsport to Kluczbork | 4,286.63 mi (6,898.66 km) |
| Williamsport to Knurow | 4,332.25 mi (6,972.09 km) |
| Williamsport to Kobylka | 4,344.00 mi (6,990.99 km) |
| Williamsport to Kokoszki | 4,175.33 mi (6,719.55 km) |
| Williamsport to Kolbuszowa | 4,444.54 mi (7,152.80 km) |
| Williamsport to Kolno | 4,328.77 mi (6,966.48 km) |
| Williamsport to Kolo | 4,257.41 mi (6,851.64 km) |
| Williamsport to Kolobrzeg | 4,079.28 mi (6,564.96 km) |
| Williamsport to Koluszki | 4,315.99 mi (6,945.92 km) |
| Williamsport to Komorniki | 4,184.99 mi (6,735.10 km) |
| Williamsport to Konin | 4,243.59 mi (6,829.39 km) |
| Williamsport to Konskie | 4,358.94 mi (7,015.03 km) |
| Williamsport to Konstancin-Jeziorna | 4,350.53 mi (7,001.50 km) |
| Williamsport to Konstantynow Lodzki | 4,299.16 mi (6,918.83 km) |
| Williamsport to Koronowo | 4,192.36 mi (6,746.95 km) |
