| Castelo Branco to Rury | 1,637.14 mi (2,634.73 km) |
| Castelo Branco to Rybnik | 1,447.21 mi (2,329.06 km) |
| Castelo Branco to Ryki | 1,621.58 mi (2,609.68 km) |
| Castelo Branco to Rypin | 1,561.02 mi (2,512.22 km) |
| Castelo Branco to Rzeszow | 1,592.43 mi (2,562.77 km) |
| Castelo Branco to Sandomierz | 1,594.09 mi (2,565.44 km) |
| Castelo Branco to Sanok | 1,593.56 mi (2,564.59 km) |
| Castelo Branco to Sedziszow Malopolski | 1,580.19 mi (2,543.07 km) |
| Castelo Branco to Sepolno Krajenskie | 1,502.17 mi (2,417.52 km) |
| Castelo Branco to Sidlice | 1,570.83 mi (2,528.01 km) |
| Castelo Branco to Siechnice | 1,414.24 mi (2,276.00 km) |
| Castelo Branco to Siedlce | 1,647.15 mi (2,650.83 km) |
| Castelo Branco to Siemianowice Slaskie | 1,469.80 mi (2,365.42 km) |
| Castelo Branco to Siemiatycze | 1,676.70 mi (2,698.39 km) |
| Castelo Branco to Sieradz | 1,492.97 mi (2,402.71 km) |
