| Covington to Sesena | 4,143.38 mi (6,668.13 km) |
| Covington to Sestao | 4,074.68 mi (6,557.56 km) |
| Covington to Sevilla | 4,126.75 mi (6,641.36 km) |
| Covington to Sevilla La Nueva | 4,120.13 mi (6,630.71 km) |
| Covington to Silla | 4,321.31 mi (6,954.48 km) |
| Covington to Silleda | 3,853.64 mi (6,201.84 km) |
| Covington to Sitges | 4,359.09 mi (7,015.29 km) |
| Covington to Socuellamos | 4,212.12 mi (6,778.75 km) |
| Covington to Soller | 4,450.70 mi (7,162.71 km) |
| Covington to Solsona | 4,320.42 mi (6,953.05 km) |
| Covington to Son Servera | 4,486.00 mi (7,219.51 km) |
| Covington to Sonseca | 4,144.52 mi (6,669.97 km) |
| Covington to Sopelana | 4,073.71 mi (6,556.00 km) |
| Covington to Soria | 4,147.31 mi (6,674.46 km) |
| Covington to Suances | 4,023.82 mi (6,475.72 km) |
