| Princeton to Sesimbra | 4,169.97 mi (6,710.92 km) |
| Princeton to Setubal | 4,179.96 mi (6,727.00 km) |
| Princeton to Sever do Vouga | 4,180.86 mi (6,728.45 km) |
| Princeton to Silves | 4,221.92 mi (6,794.52 km) |
| Princeton to Sines | 4,188.77 mi (6,741.17 km) |
| Princeton to Sintra | 4,150.25 mi (6,679.18 km) |
| Princeton to Sobrado de Paiva | 4,182.58 mi (6,731.21 km) |
| Princeton to Sobral de Monte Agraco | 4,160.11 mi (6,695.04 km) |
| Princeton to Soure | 4,174.99 mi (6,719.00 km) |
| Princeton to Tabua | 4,202.71 mi (6,763.60 km) |
| Princeton to Tavira | 4,265.44 mi (6,864.56 km) |
| Princeton to Tomar | 4,191.71 mi (6,745.91 km) |
| Princeton to Tondela | 4,198.04 mi (6,756.09 km) |
| Princeton to Torre de Moncorvo | 4,238.76 mi (6,821.63 km) |
| Princeton to Torres Novas | 4,187.23 mi (6,738.69 km) |
