| Port Huron to Karis | 4,192.87 mi (6,747.78 km) |
| Port Huron to Karkkila | 4,189.20 mi (6,741.86 km) |
| Port Huron to Kauhajoki | 4,058.57 mi (6,531.64 km) |
| Port Huron to Kauhava | 4,055.78 mi (6,527.15 km) |
| Port Huron to Kauniainen | 4,216.42 mi (6,785.67 km) |
| Port Huron to Kemi | 3,990.04 mi (6,421.34 km) |
| Port Huron to Kemijarvi | 4,016.59 mi (6,464.08 km) |
| Port Huron to Kempele | 4,044.87 mi (6,509.58 km) |
| Port Huron to Kerava | 4,218.80 mi (6,789.50 km) |
| Port Huron to Keuruu | 4,131.85 mi (6,649.56 km) |
| Port Huron to Kiiminki | 4,042.38 mi (6,505.58 km) |
| Port Huron to Kirkkonummi | 4,211.86 mi (6,778.33 km) |
| Port Huron to Kitee | 4,276.36 mi (6,882.14 km) |
| Port Huron to Kiuruvesi | 4,123.06 mi (6,635.43 km) |
| Port Huron to Kivisto | 4,215.04 mi (6,783.45 km) |
