| Cascais to Rury | 1,765.36 mi (2,841.07 km) |
| Cascais to Rybnik | 1,575.49 mi (2,535.50 km) |
| Cascais to Ryki | 1,749.66 mi (2,815.80 km) |
| Cascais to Rypin | 1,688.03 mi (2,716.63 km) |
| Cascais to Rzeszow | 1,720.75 mi (2,769.28 km) |
| Cascais to Sandomierz | 1,722.37 mi (2,771.89 km) |
| Cascais to Sanok | 1,721.84 mi (2,771.03 km) |
| Cascais to Sedziszow Malopolski | 1,708.51 mi (2,749.58 km) |
| Cascais to Sepolno Krajenskie | 1,628.40 mi (2,620.65 km) |
| Cascais to Sidlice | 1,696.53 mi (2,730.30 km) |
| Cascais to Siechnice | 1,542.10 mi (2,481.77 km) |
| Cascais to Siedlce | 1,775.06 mi (2,856.69 km) |
| Cascais to Siemianowice Slaskie | 1,598.06 mi (2,571.83 km) |
| Cascais to Siemiatycze | 1,804.56 mi (2,904.15 km) |
| Cascais to Sieradz | 1,620.77 mi (2,608.37 km) |
