| Monroe to Sesimbra | 4,524.40 mi (7,281.31 km) |
| Monroe to Setubal | 4,532.50 mi (7,294.36 km) |
| Monroe to Sever do Vouga | 4,499.08 mi (7,240.57 km) |
| Monroe to Silves | 4,592.11 mi (7,390.29 km) |
| Monroe to Sines | 4,549.47 mi (7,321.67 km) |
| Monroe to Sintra | 4,500.47 mi (7,242.80 km) |
| Monroe to Sobrado de Paiva | 4,495.99 mi (7,235.59 km) |
| Monroe to Sobral de Monte Agraco | 4,506.31 mi (7,252.21 km) |
| Monroe to Soure | 4,504.24 mi (7,248.88 km) |
| Monroe to Tabua | 4,525.36 mi (7,282.86 km) |
| Monroe to Tavira | 4,633.74 mi (7,457.29 km) |
| Monroe to Tomar | 4,526.89 mi (7,285.32 km) |
| Monroe to Tondela | 4,518.55 mi (7,271.90 km) |
| Monroe to Torre de Moncorvo | 4,545.98 mi (7,316.05 km) |
| Monroe to Torres Novas | 4,524.76 mi (7,281.89 km) |
