| Delaware to Sesena | 4,034.57 mi (6,493.02 km) |
| Delaware to Sestao | 3,963.62 mi (6,378.84 km) |
| Delaware to Sevilla | 4,020.87 mi (6,470.97 km) |
| Delaware to Sevilla La Nueva | 4,011.25 mi (6,455.48 km) |
| Delaware to Silla | 4,212.07 mi (6,778.67 km) |
| Delaware to Silleda | 3,744.18 mi (6,025.68 km) |
| Delaware to Sitges | 4,248.14 mi (6,836.71 km) |
| Delaware to Socuellamos | 4,103.62 mi (6,604.14 km) |
| Delaware to Soller | 4,340.35 mi (6,985.11 km) |
| Delaware to Solsona | 4,209.11 mi (6,773.91 km) |
| Delaware to Son Servera | 4,375.55 mi (7,041.77 km) |
| Delaware to Sonseca | 4,036.08 mi (6,495.44 km) |
| Delaware to Sopelana | 3,962.61 mi (6,377.20 km) |
| Delaware to Soria | 4,037.08 mi (6,497.05 km) |
| Delaware to Suances | 3,912.92 mi (6,297.24 km) |
