| Port Huron to Kluczbork | 4,394.70 mi (7,072.59 km) |
| Port Huron to Knurow | 4,442.87 mi (7,150.11 km) |
| Port Huron to Kobylka | 4,440.04 mi (7,145.56 km) |
| Port Huron to Kokoszki | 4,267.10 mi (6,867.23 km) |
| Port Huron to Kolbuszowa | 4,548.71 mi (7,320.44 km) |
| Port Huron to Kolno | 4,418.46 mi (7,110.83 km) |
| Port Huron to Kolo | 4,359.08 mi (7,015.26 km) |
| Port Huron to Kolobrzeg | 4,177.11 mi (6,722.41 km) |
| Port Huron to Koluszki | 4,417.46 mi (7,109.22 km) |
| Port Huron to Komorniki | 4,290.01 mi (6,904.11 km) |
| Port Huron to Konin | 4,345.88 mi (6,994.02 km) |
| Port Huron to Konskie | 4,461.66 mi (7,180.35 km) |
| Port Huron to Konstancin-Jeziorna | 4,447.87 mi (7,158.16 km) |
| Port Huron to Konstantynow Lodzki | 4,401.54 mi (7,083.60 km) |
| Port Huron to Koronowo | 4,290.10 mi (6,904.25 km) |
