| Port Neches to Nymburk | 5,407.81 mi (8,703.03 km) |
| Port Neches to Olomouc | 5,512.20 mi (8,871.02 km) |
| Port Neches to Opava | 5,522.42 mi (8,887.47 km) |
| Port Neches to Orlova | 5,545.20 mi (8,924.14 km) |
| Port Neches to Ostrava | 5,540.60 mi (8,916.74 km) |
| Port Neches to Ostrov | 5,325.00 mi (8,569.75 km) |
| Port Neches to Otrokovice | 5,537.72 mi (8,912.10 km) |
| Port Neches to Pardubice | 5,440.69 mi (8,755.94 km) |
| Port Neches to Pelhrimov | 5,443.24 mi (8,760.05 km) |
| Port Neches to Pisek | 5,407.32 mi (8,702.24 km) |
| Port Neches to Plzen | 5,361.92 mi (8,629.18 km) |
| Port Neches to Podebrady | 5,412.32 mi (8,710.29 km) |
| Port Neches to Policka | 5,471.15 mi (8,804.96 km) |
| Port Neches to Prachatice | 5,412.68 mi (8,710.86 km) |
| Port Neches to Prague | 5,388.49 mi (8,671.93 km) |
