| Olivenza to Smolyan | 1,682.13 mi (2,707.13 km) |
| Olivenza to Sofia | 1,609.14 mi (2,589.66 km) |
| Olivenza to Sopot | 1,681.32 mi (2,705.82 km) |
| Olivenza to Sozopol | 1,832.08 mi (2,948.45 km) |
| Olivenza to Sredets | 1,806.91 mi (2,907.94 km) |
| Olivenza to Stamboliyski | 1,671.49 mi (2,690.01 km) |
| Olivenza to Stara Zagora | 1,727.62 mi (2,780.34 km) |
| Olivenza to Svilengrad | 1,758.47 mi (2,829.99 km) |
| Olivenza to Svishtov | 1,710.88 mi (2,753.39 km) |
| Olivenza to Targovishte | 1,773.00 mi (2,853.36 km) |
| Olivenza to Teteven | 1,656.49 mi (2,665.87 km) |
| Olivenza to Troyan | 1,679.30 mi (2,702.57 km) |
| Olivenza to Tryavna | 1,718.97 mi (2,766.42 km) |
| Olivenza to Tutrakan | 1,774.15 mi (2,855.22 km) |
| Olivenza to Varna | 1,840.16 mi (2,961.45 km) |
