| Knightdale to Sesimbra | 3,734.01 mi (6,009.32 km) |
| Knightdale to Setubal | 3,742.58 mi (6,023.11 km) |
| Knightdale to Sever do Vouga | 3,717.54 mi (5,982.80 km) |
| Knightdale to Silves | 3,798.61 mi (6,113.27 km) |
| Knightdale to Sines | 3,757.81 mi (6,047.61 km) |
| Knightdale to Sintra | 3,710.94 mi (5,972.18 km) |
| Knightdale to Sobrado de Paiva | 3,715.75 mi (5,979.92 km) |
| Knightdale to Sobral de Monte Agraco | 3,717.74 mi (5,983.13 km) |
| Knightdale to Soure | 3,719.83 mi (5,986.48 km) |
| Knightdale to Tabua | 3,742.76 mi (6,023.40 km) |
| Knightdale to Tavira | 3,840.80 mi (6,181.16 km) |
| Knightdale to Tomar | 3,741.08 mi (6,020.69 km) |
| Knightdale to Tondela | 3,736.49 mi (6,013.31 km) |
| Knightdale to Torre de Moncorvo | 3,767.73 mi (6,063.58 km) |
| Knightdale to Torres Novas | 3,738.36 mi (6,016.30 km) |
