| Port Neches to Senftenberg | 5,320.48 mi (8,562.49 km) |
| Port Neches to Siegburg | 5,089.42 mi (8,190.64 km) |
| Port Neches to Siegen | 5,118.08 mi (8,236.76 km) |
| Port Neches to Sigmaringen | 5,258.73 mi (8,463.10 km) |
| Port Neches to Simbach am Inn | 5,402.54 mi (8,694.55 km) |
| Port Neches to Simmerath | 5,060.67 mi (8,144.36 km) |
| Port Neches to Sindelfingen | 5,228.86 mi (8,415.04 km) |
| Port Neches to Sinsheim | 5,205.99 mi (8,378.23 km) |
| Port Neches to Sinzheim | 5,193.95 mi (8,358.85 km) |
| Port Neches to Sinzig | 5,099.50 mi (8,206.85 km) |
| Port Neches to Soest | 5,099.19 mi (8,206.35 km) |
| Port Neches to Solingen | 5,073.07 mi (8,164.32 km) |
| Port Neches to Soltau | 5,116.63 mi (8,234.42 km) |
| Port Neches to Sommerda | 5,226.24 mi (8,410.82 km) |
| Port Neches to Sondershausen | 5,209.77 mi (8,384.31 km) |
