| Port Huron to Kamen | 3,991.09 mi (6,423.04 km) |
| Port Huron to Kamenz | 4,237.78 mi (6,820.05 km) |
| Port Huron to Kamp-Lintfort | 3,952.04 mi (6,360.20 km) |
| Port Huron to Kandel | 4,100.44 mi (6,599.02 km) |
| Port Huron to Kappeln | 3,966.50 mi (6,383.46 km) |
| Port Huron to Karben | 4,080.46 mi (6,566.87 km) |
| Port Huron to Karlsdorf-Neuthard | 4,111.72 mi (6,617.17 km) |
| Port Huron to Karlsfeld | 4,258.17 mi (6,852.86 km) |
| Port Huron to Karlsruhe | 4,110.99 mi (6,616.00 km) |
| Port Huron to Kassel | 4,068.65 mi (6,547.85 km) |
| Port Huron to Kaufbeuren | 4,238.71 mi (6,821.54 km) |
| Port Huron to Kaufering | 4,240.96 mi (6,825.17 km) |
| Port Huron to Kaufungen | 4,074.35 mi (6,557.03 km) |
| Port Huron to Kehl | 4,104.41 mi (6,605.42 km) |
| Port Huron to Kelheim | 4,246.37 mi (6,833.87 km) |
