| Security-Widefield to Sesena | 5,056.91 mi (8,138.32 km) |
| Security-Widefield to Sestao | 4,953.20 mi (7,971.40 km) |
| Security-Widefield to Sevilla | 5,075.95 mi (8,168.96 km) |
| Security-Widefield to Sevilla La Nueva | 5,032.86 mi (8,099.60 km) |
| Security-Widefield to Silla | 5,226.33 mi (8,410.97 km) |
| Security-Widefield to Silleda | 4,761.48 mi (7,662.86 km) |
| Security-Widefield to Sitges | 5,235.25 mi (8,425.33 km) |
| Security-Widefield to Socuellamos | 5,129.04 mi (8,254.40 km) |
| Security-Widefield to Soller | 5,336.38 mi (8,588.08 km) |
| Security-Widefield to Solsona | 5,190.49 mi (8,353.28 km) |
| Security-Widefield to Son Servera | 5,369.62 mi (8,641.57 km) |
| Security-Widefield to Sonseca | 5,062.97 mi (8,148.06 km) |
| Security-Widefield to Sopelana | 4,951.36 mi (7,968.45 km) |
| Security-Widefield to Soria | 5,039.06 mi (8,109.59 km) |
| Security-Widefield to Suances | 4,905.85 mi (7,895.20 km) |
