| Oliveira de Frades to Smolyan | 1,701.46 mi (2,738.24 km) |
| Oliveira de Frades to Sofia | 1,621.80 mi (2,610.04 km) |
| Oliveira de Frades to Sopot | 1,693.87 mi (2,726.03 km) |
| Oliveira de Frades to Sozopol | 1,844.87 mi (2,969.03 km) |
| Oliveira de Frades to Sredets | 1,820.32 mi (2,929.53 km) |
| Oliveira de Frades to Stamboliyski | 1,687.42 mi (2,715.64 km) |
| Oliveira de Frades to Stara Zagora | 1,741.21 mi (2,802.20 km) |
| Oliveira de Frades to Svilengrad | 1,775.87 mi (2,857.99 km) |
| Oliveira de Frades to Svishtov | 1,717.15 mi (2,763.49 km) |
| Oliveira de Frades to Targovishte | 1,781.24 mi (2,866.63 km) |
| Oliveira de Frades to Teteven | 1,667.48 mi (2,683.55 km) |
| Oliveira de Frades to Troyan | 1,690.37 mi (2,720.40 km) |
| Oliveira de Frades to Tryavna | 1,729.91 mi (2,784.03 km) |
| Oliveira de Frades to Tutrakan | 1,777.52 mi (2,860.64 km) |
| Oliveira de Frades to Varna | 1,848.16 mi (2,974.33 km) |
