| Ostend to Rybnik | 687.90 mi (1,107.08 km) |
| Ostend to Ryki | 817.25 mi (1,315.24 km) |
| Ostend to Rypin | 710.66 mi (1,143.69 km) |
| Ostend to Rzeszow | 837.93 mi (1,348.51 km) |
| Ostend to Sandomierz | 818.20 mi (1,316.77 km) |
| Ostend to Sanok | 855.42 mi (1,376.66 km) |
| Ostend to Sedziszow Malopolski | 824.44 mi (1,326.80 km) |
| Ostend to Sepolno Krajenskie | 634.42 mi (1,020.99 km) |
| Ostend to Sidlice | 688.78 mi (1,108.49 km) |
| Ostend to Siechnice | 616.30 mi (991.84 km) |
| Ostend to Siedlce | 828.84 mi (1,333.89 km) |
| Ostend to Siemianowice Slaskie | 703.98 mi (1,132.95 km) |
| Ostend to Siemiatycze | 852.92 mi (1,372.64 km) |
| Ostend to Sieradz | 681.35 mi (1,096.53 km) |
| Ostend to Sierpc | 718.98 mi (1,157.09 km) |
