| Port Huron to Koscian | 4,295.59 mi (6,913.08 km) |
| Port Huron to Koscielisko | 4,524.70 mi (7,281.80 km) |
| Port Huron to Koscierzyna | 4,259.81 mi (6,855.51 km) |
| Port Huron to Kostrzyn | 4,302.91 mi (6,924.87 km) |
| Port Huron to Kostrzyn nad Odra | 4,206.83 mi (6,770.24 km) |
| Port Huron to Koszalin | 4,196.59 mi (6,753.76 km) |
| Port Huron to Kowary | 4,318.39 mi (6,949.77 km) |
| Port Huron to Kozienice | 4,484.33 mi (7,216.83 km) |
| Port Huron to Kozuchow | 4,272.13 mi (6,875.33 km) |
| Port Huron to Kozy | 4,474.01 mi (7,200.23 km) |
| Port Huron to Krakow | 4,493.42 mi (7,231.46 km) |
| Port Huron to Krapkowice | 4,407.24 mi (7,092.76 km) |
| Port Huron to Krasnik | 4,535.06 mi (7,298.48 km) |
| Port Huron to Krasnystaw | 4,564.71 mi (7,346.19 km) |
| Port Huron to Krosno | 4,572.82 mi (7,359.24 km) |
