| Port Neches to Rury | 5,630.59 mi (9,061.57 km) |
| Port Neches to Rybnik | 5,539.94 mi (8,915.67 km) |
| Port Neches to Ryki | 5,594.00 mi (9,002.67 km) |
| Port Neches to Rypin | 5,450.74 mi (8,772.12 km) |
| Port Neches to Rzeszow | 5,664.38 mi (9,115.93 km) |
| Port Neches to Sandomierz | 5,628.04 mi (9,057.45 km) |
| Port Neches to Sanok | 5,692.63 mi (9,161.41 km) |
| Port Neches to Sedziszow Malopolski | 5,652.47 mi (9,096.77 km) |
| Port Neches to Sepolno Krajenskie | 5,370.61 mi (8,643.16 km) |
| Port Neches to Sidlice | 5,371.66 mi (8,644.85 km) |
| Port Neches to Siechnice | 5,451.87 mi (8,773.94 km) |
| Port Neches to Siedlce | 5,582.75 mi (8,984.57 km) |
| Port Neches to Siemianowice Slaskie | 5,547.79 mi (8,928.30 km) |
| Port Neches to Siemiatycze | 5,591.14 mi (8,998.08 km) |
| Port Neches to Sieradz | 5,485.96 mi (8,828.79 km) |
