| Upper Arlington to Sesimbra | 3,839.12 mi (6,178.47 km) |
| Upper Arlington to Setubal | 3,846.59 mi (6,190.49 km) |
| Upper Arlington to Sever do Vouga | 3,804.10 mi (6,122.10 km) |
| Upper Arlington to Silves | 3,911.03 mi (6,294.19 km) |
| Upper Arlington to Sines | 3,865.85 mi (6,221.48 km) |
| Upper Arlington to Sintra | 3,814.17 mi (6,138.31 km) |
| Upper Arlington to Sobrado de Paiva | 3,799.84 mi (6,115.25 km) |
| Upper Arlington to Sobral de Monte Agraco | 3,818.80 mi (6,145.77 km) |
| Upper Arlington to Soure | 3,812.07 mi (6,134.93 km) |
| Upper Arlington to Tabua | 3,831.29 mi (6,165.87 km) |
| Upper Arlington to Tavira | 3,951.67 mi (6,359.59 km) |
| Upper Arlington to Tomar | 3,836.11 mi (6,173.62 km) |
| Upper Arlington to Tondela | 3,824.00 mi (6,154.13 km) |
| Upper Arlington to Torre de Moncorvo | 3,847.98 mi (6,192.72 km) |
| Upper Arlington to Torres Novas | 3,834.64 mi (6,171.26 km) |
