| Port Neches to Kluczbork | 5,491.91 mi (8,838.37 km) |
| Port Neches to Knurow | 5,539.35 mi (8,914.72 km) |
| Port Neches to Kobylka | 5,539.77 mi (8,915.41 km) |
| Port Neches to Kokoszki | 5,367.24 mi (8,637.74 km) |
| Port Neches to Kolbuszowa | 5,647.01 mi (9,087.99 km) |
| Port Neches to Kolno | 5,518.79 mi (8,881.64 km) |
| Port Neches to Kolo | 5,457.82 mi (8,783.52 km) |
| Port Neches to Kolobrzeg | 5,276.46 mi (8,491.65 km) |
| Port Neches to Koluszki | 5,516.28 mi (8,877.59 km) |
| Port Neches to Komorniki | 5,387.96 mi (8,671.09 km) |
| Port Neches to Konin | 5,444.49 mi (8,762.05 km) |
| Port Neches to Konskie | 5,560.24 mi (8,948.34 km) |
| Port Neches to Konstancin-Jeziorna | 5,547.42 mi (8,927.72 km) |
| Port Neches to Konstantynow Lodzki | 5,500.16 mi (8,851.66 km) |
| Port Neches to Koronowo | 5,389.52 mi (8,673.60 km) |
