| Port Huron to Kidricevo | 4,495.97 mi (7,235.56 km) |
| Port Huron to Kobarid | 4,417.33 mi (7,109.00 km) |
| Port Huron to Kobilje | 4,507.00 mi (7,253.32 km) |
| Port Huron to Kocevje | 4,491.62 mi (7,228.56 km) |
| Port Huron to Komen | 4,441.52 mi (7,147.94 km) |
| Port Huron to Komenda | 4,456.00 mi (7,171.24 km) |
| Port Huron to Koper | 4,451.70 mi (7,164.32 km) |
| Port Huron to Kostanjevica na Krki | 4,504.98 mi (7,250.06 km) |
| Port Huron to Kostel | 4,499.14 mi (7,240.66 km) |
| Port Huron to Kozje | 4,500.65 mi (7,243.09 km) |
| Port Huron to Kranj | 4,448.30 mi (7,158.85 km) |
| Port Huron to Kranjska Gora | 4,415.71 mi (7,106.40 km) |
| Port Huron to Krizevci | 4,502.39 mi (7,245.89 km) |
| Port Huron to Krsko | 4,502.91 mi (7,246.73 km) |
| Port Huron to Kuzma | 4,488.99 mi (7,224.33 km) |
