| Ourense to Smolyan | 1,663.60 mi (2,677.31 km) |
| Ourense to Sofia | 1,579.65 mi (2,542.21 km) |
| Ourense to Sopot | 1,651.27 mi (2,657.46 km) |
| Ourense to Sozopol | 1,801.72 mi (2,899.59 km) |
| Ourense to Sredets | 1,777.72 mi (2,860.96 km) |
| Ourense to Stamboliyski | 1,647.22 mi (2,650.94 km) |
| Ourense to Stara Zagora | 1,699.09 mi (2,734.41 km) |
| Ourense to Svilengrad | 1,736.28 mi (2,794.27 km) |
| Ourense to Svishtov | 1,670.08 mi (2,687.73 km) |
| Ourense to Targovishte | 1,735.22 mi (2,792.57 km) |
| Ourense to Teteven | 1,623.92 mi (2,613.45 km) |
| Ourense to Troyan | 1,646.76 mi (2,650.20 km) |
| Ourense to Tryavna | 1,686.00 mi (2,713.36 km) |
| Ourense to Tutrakan | 1,728.18 mi (2,781.23 km) |
| Ourense to Varna | 1,801.69 mi (2,899.54 km) |
