| Union City to Sesena | 5,799.60 mi (9,333.56 km) |
| Union City to Sestao | 5,666.46 mi (9,119.29 km) |
| Union City to Sevilla | 5,851.72 mi (9,417.44 km) |
| Union City to Sevilla La Nueva | 5,775.36 mi (9,294.55 km) |
| Union City to Silla | 5,957.09 mi (9,587.01 km) |
| Union City to Silleda | 5,505.99 mi (8,861.04 km) |
| Union City to Sitges | 5,938.81 mi (9,557.60 km) |
| Union City to Socuellamos | 5,873.24 mi (9,452.06 km) |
| Union City to Soller | 6,046.21 mi (9,730.43 km) |
| Union City to Solsona | 5,889.61 mi (9,478.42 km) |
| Union City to Son Servera | 6,076.65 mi (9,779.43 km) |
| Union City to Sonseca | 5,810.09 mi (9,350.43 km) |
| Union City to Sopelana | 5,663.91 mi (9,115.17 km) |
| Union City to Soria | 5,762.11 mi (9,273.22 km) |
| Union City to Suances | 5,623.54 mi (9,050.21 km) |
