| Front Royal to Sesena | 3,846.68 mi (6,190.63 km) |
| Front Royal to Sestao | 3,789.34 mi (6,098.36 km) |
| Front Royal to Sevilla | 3,819.21 mi (6,146.43 km) |
| Front Royal to Sevilla La Nueva | 3,823.80 mi (6,153.81 km) |
| Front Royal to Silla | 4,026.30 mi (6,479.70 km) |
| Front Royal to Silleda | 3,560.37 mi (5,729.86 km) |
| Front Royal to Sitges | 4,072.72 mi (6,554.41 km) |
| Front Royal to Socuellamos | 3,914.02 mi (6,299.01 km) |
| Front Royal to Soller | 4,160.88 mi (6,696.29 km) |
| Front Royal to Solsona | 4,036.17 mi (6,495.59 km) |
| Front Royal to Son Servera | 4,196.60 mi (6,753.78 km) |
| Front Royal to Sonseca | 3,846.30 mi (6,190.02 km) |
| Front Royal to Sopelana | 3,788.65 mi (6,097.24 km) |
| Front Royal to Soria | 3,857.36 mi (6,207.83 km) |
| Front Royal to Suances | 3,737.71 mi (6,015.26 km) |
