| Williamstown to Kidricevo | 4,347.03 mi (6,995.87 km) |
| Williamstown to Kobarid | 4,260.40 mi (6,856.46 km) |
| Williamstown to Kobilje | 4,361.84 mi (7,019.70 km) |
| Williamstown to Kocevje | 4,334.52 mi (6,975.74 km) |
| Williamstown to Komen | 4,282.15 mi (6,891.46 km) |
| Williamstown to Komenda | 4,301.77 mi (6,923.03 km) |
| Williamstown to Koper | 4,290.44 mi (6,904.80 km) |
| Williamstown to Kostanjevica na Krki | 4,351.05 mi (7,002.33 km) |
| Williamstown to Kostel | 4,341.28 mi (6,986.62 km) |
| Williamstown to Kozje | 4,348.69 mi (6,998.54 km) |
| Williamstown to Kranj | 4,293.72 mi (6,910.07 km) |
| Williamstown to Kranjska Gora | 4,261.09 mi (6,857.57 km) |
| Williamstown to Krizevci | 4,355.60 mi (7,009.65 km) |
| Williamstown to Krsko | 4,349.86 mi (7,000.43 km) |
| Williamstown to Kuzma | 4,343.88 mi (6,990.79 km) |
