| Ommen to Setubal | 1,212.85 mi (1,951.90 km) |
| Ommen to Sever do Vouga | 1,070.47 mi (1,722.76 km) |
| Ommen to Silves | 1,279.57 mi (2,059.27 km) |
| Ommen to Sines | 1,245.53 mi (2,004.49 km) |
| Ommen to Sintra | 1,211.37 mi (1,949.51 km) |
| Ommen to Sobrado de Paiva | 1,050.60 mi (1,690.78 km) |
| Ommen to Sobral de Monte Agraco | 1,191.75 mi (1,917.94 km) |
| Ommen to Soure | 1,117.18 mi (1,797.93 km) |
| Ommen to Tabua | 1,081.48 mi (1,740.47 km) |
| Ommen to Tavira | 1,262.91 mi (2,032.45 km) |
| Ommen to Tomar | 1,136.54 mi (1,829.09 km) |
| Ommen to Tondela | 1,074.17 mi (1,728.72 km) |
| Ommen to Torre de Moncorvo | 1,007.13 mi (1,620.82 km) |
| Ommen to Torres Novas | 1,147.65 mi (1,846.97 km) |
| Ommen to Torres Vedras | 1,191.40 mi (1,917.37 km) |
