| Ada to Sestao | 1,147.99 mi (1,847.51 km) |
| Ada to Sevilla | 1,466.52 mi (2,360.14 km) |
| Ada to Sevilla La Nueva | 1,270.68 mi (2,044.96 km) |
| Ada to Silla | 1,131.72 mi (1,821.32 km) |
| Ada to Silleda | 1,412.52 mi (2,273.24 km) |
| Ada to Sitges | 968.43 mi (1,558.54 km) |
| Ada to Socuellamos | 1,245.25 mi (2,004.04 km) |
| Ada to Soller | 974.64 mi (1,568.53 km) |
| Ada to Solsona | 960.88 mi (1,546.39 km) |
| Ada to Son Servera | 950.03 mi (1,528.92 km) |
| Ada to Sonseca | 1,286.65 mi (2,070.67 km) |
| Ada to Sopelana | 1,145.33 mi (1,843.23 km) |
| Ada to Soria | 1,157.01 mi (1,862.03 km) |
| Ada to Suances | 1,195.90 mi (1,924.61 km) |
| Ada to Sueca | 1,132.65 mi (1,822.82 km) |
