| Port Neches to Solofra | 5,760.03 mi (9,269.86 km) |
| Port Neches to Somma Lombardo | 5,319.97 mi (8,561.66 km) |
| Port Neches to Somma Vesuviana | 5,740.65 mi (9,238.69 km) |
| Port Neches to Sommacampagna | 5,419.52 mi (8,721.87 km) |
| Port Neches to Sona | 5,417.63 mi (8,718.84 km) |
| Port Neches to Sondrio | 5,351.70 mi (8,612.73 km) |
| Port Neches to Sora | 5,672.82 mi (9,129.52 km) |
| Port Neches to Sorbolo | 5,422.58 mi (8,726.80 km) |
| Port Neches to Soresina | 5,382.20 mi (8,661.81 km) |
| Port Neches to Sorisole | 5,358.00 mi (8,622.86 km) |
| Port Neches to Sorrento | 5,747.39 mi (9,249.52 km) |
| Port Neches to Sorso | 5,484.69 mi (8,826.75 km) |
| Port Neches to Sortino | 5,911.86 mi (9,514.21 km) |
| Port Neches to Soverato Marina | 5,919.13 mi (9,525.92 km) |
| Port Neches to Sovicille | 5,512.19 mi (8,871.02 km) |
