| Dobrich to Sestao | 1,538.31 mi (2,475.68 km) |
| Dobrich to Sevilla | 1,818.96 mi (2,927.33 km) |
| Dobrich to Sevilla La Nueva | 1,641.91 mi (2,642.40 km) |
| Dobrich to Silla | 1,483.41 mi (2,387.31 km) |
| Dobrich to Silleda | 1,805.17 mi (2,905.15 km) |
| Dobrich to Sitges | 1,332.28 mi (2,144.09 km) |
| Dobrich to Socuellamos | 1,604.40 mi (2,582.03 km) |
| Dobrich to Soller | 1,318.21 mi (2,121.45 km) |
| Dobrich to Solsona | 1,333.32 mi (2,145.77 km) |
| Dobrich to Son Servera | 1,288.66 mi (2,073.89 km) |
| Dobrich to Sonseca | 1,652.57 mi (2,659.56 km) |
| Dobrich to Sopelana | 1,536.06 mi (2,472.05 km) |
| Dobrich to Soria | 1,535.85 mi (2,471.72 km) |
| Dobrich to Suances | 1,588.06 mi (2,555.73 km) |
| Dobrich to Sueca | 1,482.33 mi (2,385.58 km) |
