| Davidson to Sesimbra | 3,861.10 mi (6,213.83 km) |
| Davidson to Setubal | 3,869.56 mi (6,227.45 km) |
| Davidson to Sever do Vouga | 3,842.60 mi (6,184.06 km) |
| Davidson to Silves | 3,926.44 mi (6,319.00 km) |
| Davidson to Sines | 3,885.20 mi (6,252.62 km) |
| Davidson to Sintra | 3,837.82 mi (6,176.37 km) |
| Davidson to Sobrado de Paiva | 3,840.51 mi (6,180.71 km) |
| Davidson to Sobral de Monte Agraco | 3,844.40 mi (6,186.96 km) |
| Davidson to Soure | 3,845.53 mi (6,188.79 km) |
| Davidson to Tabua | 3,868.07 mi (6,225.05 km) |
| Davidson to Tavira | 3,968.50 mi (6,386.69 km) |
| Davidson to Tomar | 3,867.11 mi (6,223.51 km) |
| Davidson to Tondela | 3,861.67 mi (6,214.76 km) |
| Davidson to Torre de Moncorvo | 3,892.07 mi (6,263.69 km) |
| Davidson to Torres Novas | 3,864.52 mi (6,219.34 km) |
