| Arad to Sestao | 1,204.81 mi (1,938.96 km) |
| Arad to Sevilla | 1,527.77 mi (2,458.70 km) |
| Arad to Sevilla La Nueva | 1,330.51 mi (2,141.25 km) |
| Arad to Silla | 1,193.21 mi (1,920.29 km) |
| Arad to Silleda | 1,468.48 mi (2,363.29 km) |
| Arad to Sitges | 1,029.29 mi (1,656.47 km) |
| Arad to Socuellamos | 1,306.20 mi (2,102.13 km) |
| Arad to Soller | 1,036.58 mi (1,668.22 km) |
| Arad to Solsona | 1,020.93 mi (1,643.02 km) |
| Arad to Son Servera | 1,012.12 mi (1,628.85 km) |
| Arad to Sonseca | 1,347.01 mi (2,167.81 km) |
| Arad to Sopelana | 1,202.06 mi (1,934.52 km) |
| Arad to Soria | 1,215.98 mi (1,956.92 km) |
| Arad to Suances | 1,252.20 mi (2,015.23 km) |
| Arad to Sueca | 1,194.24 mi (1,921.95 km) |
