| Merchtem to Setubal | 1,070.80 mi (1,723.28 km) |
| Merchtem to Sever do Vouga | 928.86 mi (1,494.86 km) |
| Merchtem to Silves | 1,137.57 mi (1,830.74 km) |
| Merchtem to Sines | 1,103.44 mi (1,775.81 km) |
| Merchtem to Sintra | 1,069.47 mi (1,721.14 km) |
| Merchtem to Sobrado de Paiva | 909.09 mi (1,463.04 km) |
| Merchtem to Sobral de Monte Agraco | 1,049.84 mi (1,689.55 km) |
| Merchtem to Soure | 975.40 mi (1,569.75 km) |
| Merchtem to Tabua | 939.58 mi (1,512.11 km) |
| Merchtem to Tavira | 1,121.16 mi (1,804.33 km) |
| Merchtem to Tomar | 994.56 mi (1,600.60 km) |
| Merchtem to Tondela | 932.35 mi (1,500.47 km) |
| Merchtem to Torre de Moncorvo | 865.19 mi (1,392.39 km) |
| Merchtem to Torres Novas | 1,005.67 mi (1,618.48 km) |
| Merchtem to Torres Vedras | 1,049.53 mi (1,689.06 km) |
