| Chelmsford to Sesena | 827.67 mi (1,332.01 km) |
| Chelmsford to Sestao | 603.83 mi (971.78 km) |
| Chelmsford to Sevilla | 1,049.70 mi (1,689.33 km) |
| Chelmsford to Sevilla La Nueva | 815.24 mi (1,311.99 km) |
| Chelmsford to Silla | 855.63 mi (1,377.00 km) |
| Chelmsford to Silleda | 744.82 mi (1,198.67 km) |
| Chelmsford to Sitges | 727.91 mi (1,171.46 km) |
| Chelmsford to Socuellamos | 873.56 mi (1,405.86 km) |
| Chelmsford to Soller | 833.38 mi (1,341.20 km) |
| Chelmsford to Solsona | 674.43 mi (1,085.39 km) |
| Chelmsford to Son Servera | 847.96 mi (1,364.66 km) |
| Chelmsford to Sonseca | 857.81 mi (1,380.52 km) |
| Chelmsford to Sopelana | 598.78 mi (963.64 km) |
| Chelmsford to Soria | 702.24 mi (1,130.14 km) |
| Chelmsford to Suances | 610.59 mi (982.64 km) |
