| Williamsport to Kidricevo | 4,362.68 mi (7,021.05 km) |
| Williamsport to Kobarid | 4,278.81 mi (6,886.07 km) |
| Williamsport to Kobilje | 4,376.15 mi (7,042.73 km) |
| Williamsport to Kocevje | 4,353.11 mi (7,005.65 km) |
| Williamsport to Komen | 4,301.48 mi (6,922.57 km) |
| Williamsport to Komenda | 4,319.26 mi (6,951.18 km) |
| Williamsport to Koper | 4,310.48 mi (6,937.04 km) |
| Williamsport to Kostanjevica na Krki | 4,368.51 mi (7,030.44 km) |
| Williamsport to Kostel | 4,360.16 mi (7,017.00 km) |
| Williamsport to Kozje | 4,365.44 mi (7,025.49 km) |
| Williamsport to Kranj | 4,311.33 mi (6,938.41 km) |
| Williamsport to Kranjska Gora | 4,278.66 mi (6,885.84 km) |
| Williamsport to Krizevci | 4,370.48 mi (7,033.61 km) |
| Williamsport to Krsko | 4,367.00 mi (7,028.01 km) |
| Williamsport to Kuzma | 4,358.14 mi (7,013.75 km) |
