| Sumner to Sesena | 5,321.53 mi (8,564.17 km) |
| Sumner to Sestao | 5,168.38 mi (8,317.71 km) |
| Sumner to Sevilla | 5,400.83 mi (8,691.80 km) |
| Sumner to Sevilla La Nueva | 5,297.52 mi (8,525.54 km) |
| Sumner to Silla | 5,467.35 mi (8,798.84 km) |
| Sumner to Silleda | 5,034.13 mi (8,101.65 km) |
| Sumner to Sitges | 5,429.87 mi (8,738.53 km) |
| Sumner to Socuellamos | 5,395.19 mi (8,682.72 km) |
| Sumner to Soller | 5,539.99 mi (8,915.76 km) |
| Sumner to Solsona | 5,378.39 mi (8,655.68 km) |
| Sumner to Son Servera | 5,568.06 mi (8,960.93 km) |
| Sumner to Sonseca | 5,335.38 mi (8,586.46 km) |
| Sumner to Sopelana | 5,165.35 mi (8,312.82 km) |
| Sumner to Soria | 5,269.62 mi (8,480.64 km) |
| Sumner to Suances | 5,129.30 mi (8,254.82 km) |
