| Fitchburg to Sesena | 3,438.95 mi (5,534.45 km) |
| Fitchburg to Sestao | 3,376.11 mi (5,433.32 km) |
| Fitchburg to Sevilla | 3,419.53 mi (5,503.20 km) |
| Fitchburg to Sevilla La Nueva | 3,415.84 mi (5,497.27 km) |
| Fitchburg to Silla | 3,617.64 mi (5,822.03 km) |
| Fitchburg to Silleda | 3,150.61 mi (5,070.42 km) |
| Fitchburg to Sitges | 3,659.99 mi (5,890.18 km) |
| Fitchburg to Socuellamos | 3,507.17 mi (5,644.25 km) |
| Fitchburg to Soller | 3,749.64 mi (6,034.46 km) |
| Fitchburg to Solsona | 3,622.62 mi (5,830.05 km) |
| Fitchburg to Son Servera | 3,785.18 mi (6,091.66 km) |
| Fitchburg to Sonseca | 3,439.51 mi (5,535.36 km) |
| Fitchburg to Sopelana | 3,375.31 mi (5,432.04 km) |
| Fitchburg to Soria | 3,446.08 mi (5,545.93 km) |
| Fitchburg to Suances | 3,324.75 mi (5,350.67 km) |
