| Port Neches to Koscian | 5,393.30 mi (8,679.67 km) |
| Port Neches to Koscielisko | 5,620.68 mi (9,045.61 km) |
| Port Neches to Koscierzyna | 5,359.75 mi (8,625.68 km) |
| Port Neches to Kostrzyn | 5,401.25 mi (8,692.46 km) |
| Port Neches to Kostrzyn nad Odra | 5,304.15 mi (8,536.21 km) |
| Port Neches to Koszalin | 5,296.13 mi (8,523.31 km) |
| Port Neches to Kowary | 5,413.79 mi (8,712.65 km) |
| Port Neches to Kozienice | 5,583.68 mi (8,986.07 km) |
| Port Neches to Kozuchow | 5,368.83 mi (8,640.30 km) |
| Port Neches to Kozy | 5,570.31 mi (8,964.55 km) |
| Port Neches to Krakow | 5,590.49 mi (8,997.02 km) |
| Port Neches to Krapkowice | 5,503.59 mi (8,857.18 km) |
| Port Neches to Krasnik | 5,634.16 mi (9,067.30 km) |
| Port Neches to Krasnystaw | 5,664.21 mi (9,115.66 km) |
| Port Neches to Krosno | 5,670.52 mi (9,125.81 km) |
