| Buffalo Grove to Sesimbra | 4,009.29 mi (6,452.32 km) |
| Buffalo Grove to Setubal | 4,016.01 mi (6,463.15 km) |
| Buffalo Grove to Sever do Vouga | 3,962.59 mi (6,377.18 km) |
| Buffalo Grove to Silves | 4,085.35 mi (6,574.73 km) |
| Buffalo Grove to Sines | 4,037.70 mi (6,498.05 km) |
| Buffalo Grove to Sintra | 3,983.31 mi (6,410.52 km) |
| Buffalo Grove to Sobrado de Paiva | 3,956.77 mi (6,367.80 km) |
| Buffalo Grove to Sobral de Monte Agraco | 3,986.53 mi (6,415.70 km) |
| Buffalo Grove to Soure | 3,974.18 mi (6,395.83 km) |
| Buffalo Grove to Tabua | 3,990.87 mi (6,422.69 km) |
| Buffalo Grove to Tavira | 4,124.75 mi (6,638.14 km) |
| Buffalo Grove to Tomar | 3,999.85 mi (6,437.14 km) |
| Buffalo Grove to Tondela | 3,982.96 mi (6,409.96 km) |
| Buffalo Grove to Torre de Moncorvo | 4,002.04 mi (6,440.66 km) |
| Buffalo Grove to Torres Novas | 3,999.20 mi (6,436.09 km) |
