| Port Neches to Kidricevo | 5,581.93 mi (8,983.25 km) |
| Port Neches to Kobarid | 5,499.79 mi (8,851.06 km) |
| Port Neches to Kobilje | 5,594.45 mi (9,003.39 km) |
| Port Neches to Kocevje | 5,574.14 mi (8,970.70 km) |
| Port Neches to Komen | 5,522.93 mi (8,888.29 km) |
| Port Neches to Komenda | 5,539.71 mi (8,915.30 km) |
| Port Neches to Koper | 5,532.25 mi (8,903.29 km) |
| Port Neches to Kostanjevica na Krki | 5,588.90 mi (8,994.46 km) |
| Port Neches to Kostel | 5,581.33 mi (8,982.28 km) |
| Port Neches to Kozje | 5,585.39 mi (8,988.82 km) |
| Port Neches to Kranj | 5,531.85 mi (8,902.65 km) |
| Port Neches to Kranjska Gora | 5,499.18 mi (8,850.08 km) |
| Port Neches to Krizevci | 5,589.20 mi (8,994.95 km) |
| Port Neches to Krsko | 5,587.20 mi (8,991.73 km) |
| Port Neches to Kuzma | 5,576.42 mi (8,974.38 km) |
