| Portici to Rybnik | 671.49 mi (1,080.66 km) |
| Portici to Ryki | 829.55 mi (1,335.03 km) |
| Portici to Rypin | 879.26 mi (1,415.04 km) |
| Portici to Rzeszow | 736.12 mi (1,184.66 km) |
| Portici to Sandomierz | 768.53 mi (1,236.83 km) |
| Portici to Sanok | 713.92 mi (1,148.95 km) |
| Portici to Sedziszow Malopolski | 730.92 mi (1,176.30 km) |
| Portici to Sepolno Krajenskie | 885.21 mi (1,424.62 km) |
| Portici to Sidlice | 955.21 mi (1,537.26 km) |
| Portici to Siechnice | 718.60 mi (1,156.47 km) |
| Portici to Siedlce | 868.70 mi (1,398.03 km) |
| Portici to Siemianowice Slaskie | 690.57 mi (1,111.37 km) |
| Portici to Siemiatycze | 896.72 mi (1,443.13 km) |
| Portici to Sieradz | 773.73 mi (1,245.20 km) |
| Portici to Sierpc | 870.06 mi (1,400.23 km) |
