| Merriam to Sesimbra | 4,422.79 mi (7,117.79 km) |
| Merriam to Setubal | 4,429.61 mi (7,128.77 km) |
| Merriam to Sever do Vouga | 4,377.06 mi (7,044.19 km) |
| Merriam to Silves | 4,498.31 mi (7,239.33 km) |
| Merriam to Sines | 4,450.99 mi (7,163.18 km) |
| Merriam to Sintra | 4,396.93 mi (7,076.18 km) |
| Merriam to Sobrado de Paiva | 4,371.29 mi (7,034.92 km) |
| Merriam to Sobral de Monte Agraco | 4,400.30 mi (7,081.60 km) |
| Merriam to Soure | 4,388.44 mi (7,062.52 km) |
| Merriam to Tabua | 4,405.29 mi (7,089.62 km) |
| Merriam to Tavira | 4,537.90 mi (7,303.05 km) |
| Merriam to Tomar | 4,414.00 mi (7,103.64 km) |
| Merriam to Tondela | 4,397.40 mi (7,076.94 km) |
| Merriam to Torre de Moncorvo | 4,416.64 mi (7,107.90 km) |
| Merriam to Torres Novas | 4,413.28 mi (7,102.49 km) |
