| Simi Valley to Sesena | 5,841.59 mi (9,401.13 km) |
| Simi Valley to Sestao | 5,722.13 mi (9,208.88 km) |
| Simi Valley to Sevilla | 5,876.71 mi (9,457.66 km) |
| Simi Valley to Sevilla La Nueva | 5,817.37 mi (9,362.15 km) |
| Simi Valley to Silla | 6,005.37 mi (9,664.71 km) |
| Simi Valley to Silleda | 5,546.24 mi (8,925.81 km) |
| Simi Valley to Sitges | 5,999.81 mi (9,655.75 km) |
| Simi Valley to Socuellamos | 5,914.68 mi (9,518.76 km) |
| Simi Valley to Soller | 6,104.66 mi (9,824.50 km) |
| Simi Valley to Solsona | 5,952.46 mi (9,579.55 km) |
| Simi Valley to Son Servera | 6,136.49 mi (9,875.73 km) |
| Simi Valley to Sonseca | 5,849.89 mi (9,414.49 km) |
| Simi Valley to Sopelana | 5,719.90 mi (9,205.29 km) |
| Simi Valley to Soria | 5,813.50 mi (9,355.93 km) |
| Simi Valley to Suances | 5,677.02 mi (9,136.28 km) |
