| Groningen to Setubal | 1,252.67 mi (2,015.97 km) |
| Groningen to Sever do Vouga | 1,108.76 mi (1,784.37 km) |
| Groningen to Silves | 1,320.86 mi (2,125.72 km) |
| Groningen to Sines | 1,285.84 mi (2,069.35 km) |
| Groningen to Sintra | 1,250.40 mi (2,012.33 km) |
| Groningen to Sobrado de Paiva | 1,088.67 mi (1,752.04 km) |
| Groningen to Sobral de Monte Agraco | 1,230.85 mi (1,980.86 km) |
| Groningen to Soure | 1,155.87 mi (1,860.19 km) |
| Groningen to Tabua | 1,120.56 mi (1,803.37 km) |
| Groningen to Tavira | 1,305.00 mi (2,100.20 km) |
| Groningen to Tomar | 1,175.92 mi (1,892.46 km) |
| Groningen to Tondela | 1,113.03 mi (1,791.25 km) |
| Groningen to Torre de Moncorvo | 1,046.40 mi (1,684.02 km) |
| Groningen to Torres Novas | 1,187.03 mi (1,910.33 km) |
| Groningen to Torres Vedras | 1,230.31 mi (1,979.99 km) |
