| Waltham to Kidricevo | 4,078.76 mi (6,564.13 km) |
| Waltham to Kobarid | 3,992.68 mi (6,425.59 km) |
| Waltham to Kobilje | 4,093.34 mi (6,587.59 km) |
| Waltham to Kocevje | 4,066.85 mi (6,544.96 km) |
| Waltham to Komen | 4,014.64 mi (6,460.94 km) |
| Waltham to Komenda | 4,033.86 mi (6,491.87 km) |
| Waltham to Koper | 4,023.10 mi (6,474.55 km) |
| Waltham to Kostanjevica na Krki | 4,083.14 mi (6,571.17 km) |
| Waltham to Kostel | 4,073.68 mi (6,555.95 km) |
| Waltham to Kozje | 4,080.63 mi (6,567.14 km) |
| Waltham to Kranj | 4,025.83 mi (6,478.95 km) |
| Waltham to Kranjska Gora | 3,993.19 mi (6,426.42 km) |
| Waltham to Krizevci | 4,087.19 mi (6,577.70 km) |
| Waltham to Krsko | 4,081.89 mi (6,569.16 km) |
| Waltham to Kuzma | 4,075.36 mi (6,558.66 km) |
