| Grinon to Sesimbra | 306.07 mi (492.57 km) |
| Grinon to Setubal | 293.57 mi (472.46 km) |
| Grinon to Sever do Vouga | 240.03 mi (386.29 km) |
| Grinon to Silves | 324.03 mi (521.47 km) |
| Grinon to Sines | 310.97 mi (500.45 km) |
| Grinon to Sintra | 310.99 mi (500.49 km) |
| Grinon to Sobrado de Paiva | 238.36 mi (383.60 km) |
| Grinon to Sobral de Monte Agraco | 294.04 mi (473.21 km) |
| Grinon to Soure | 252.91 mi (407.02 km) |
| Grinon to Tabua | 220.46 mi (354.80 km) |
| Grinon to Tavira | 296.42 mi (477.05 km) |
| Grinon to Tomar | 245.73 mi (395.46 km) |
| Grinon to Tondela | 223.79 mi (360.16 km) |
| Grinon to Torre de Moncorvo | 184.88 mi (297.54 km) |
| Grinon to Torres Novas | 253.77 mi (408.40 km) |
