| Oudenburg to Sofia | 1,118.33 mi (1,799.78 km) |
| Oudenburg to Sopot | 1,177.24 mi (1,894.59 km) |
| Oudenburg to Sozopol | 1,307.17 mi (2,103.69 km) |
| Oudenburg to Sredets | 1,289.35 mi (2,075.00 km) |
| Oudenburg to Stamboliyski | 1,190.70 mi (1,916.24 km) |
| Oudenburg to Stara Zagora | 1,222.71 mi (1,967.76 km) |
| Oudenburg to Svilengrad | 1,273.30 mi (2,049.17 km) |
| Oudenburg to Svishtov | 1,162.38 mi (1,870.67 km) |
| Oudenburg to Targovishte | 1,227.69 mi (1,975.78 km) |
| Oudenburg to Teteven | 1,146.58 mi (1,845.25 km) |
| Oudenburg to Troyan | 1,166.14 mi (1,876.72 km) |
| Oudenburg to Tryavna | 1,198.61 mi (1,928.98 km) |
| Oudenburg to Tutrakan | 1,198.43 mi (1,928.68 km) |
| Oudenburg to Varna | 1,284.38 mi (2,067.01 km) |
| Oudenburg to Veliki Preslav | 1,240.64 mi (1,996.62 km) |
