| Port Neches to Sangeorgiu de Mures | 5,904.25 mi (9,501.96 km) |
| Port Neches to Sangeorz-Bai | 5,875.36 mi (9,455.47 km) |
| Port Neches to Sannicolau Mare | 5,782.08 mi (9,305.35 km) |
| Port Neches to Santana | 5,803.44 mi (9,339.74 km) |
| Port Neches to Satu Mare | 5,792.59 mi (9,322.26 km) |
| Port Neches to Scobinti | 5,954.27 mi (9,582.47 km) |
| Port Neches to Scornicesti | 5,995.69 mi (9,649.14 km) |
| Port Neches to Sebes | 5,897.49 mi (9,491.10 km) |
| Port Neches to Seini | 5,808.67 mi (9,348.15 km) |
| Port Neches to Sfantu-Gheorghe | 5,983.06 mi (9,628.80 km) |
| Port Neches to Sibiu | 5,926.40 mi (9,537.61 km) |
| Port Neches to Sighetu Marmatiei | 5,822.47 mi (9,370.36 km) |
| Port Neches to Sighisoara | 5,930.92 mi (9,544.89 km) |
| Port Neches to Simeria | 5,881.51 mi (9,465.37 km) |
| Port Neches to Sinaia | 5,997.75 mi (9,652.44 km) |
