| Portalegre to Ruzomberok | 1,475.01 mi (2,373.80 km) |
| Portalegre to Sabinov | 1,552.81 mi (2,499.00 km) |
| Portalegre to Sal'a | 1,393.87 mi (2,243.21 km) |
| Portalegre to Samorin | 1,366.40 mi (2,199.01 km) |
| Portalegre to Senec | 1,374.20 mi (2,211.56 km) |
| Portalegre to Senica | 1,382.61 mi (2,225.09 km) |
| Portalegre to Sered' | 1,390.20 mi (2,237.31 km) |
| Portalegre to Skalica | 1,380.19 mi (2,221.21 km) |
| Portalegre to Smizany | 1,525.76 mi (2,455.47 km) |
| Portalegre to Snina | 1,597.80 mi (2,571.41 km) |
| Portalegre to Spisska Nova Ves | 1,527.22 mi (2,457.82 km) |
| Portalegre to Stara L'ubovna | 1,538.87 mi (2,476.58 km) |
| Portalegre to Stara Tura | 1,398.95 mi (2,251.39 km) |
| Portalegre to Stropkov | 1,579.27 mi (2,541.59 km) |
| Portalegre to Stupava | 1,359.23 mi (2,187.47 km) |
