| Ubbergen to Smolyan | 1,131.58 mi (1,821.11 km) |
| Ubbergen to Sofia | 1,027.44 mi (1,653.51 km) |
| Ubbergen to Sopot | 1,082.46 mi (1,742.05 km) |
| Ubbergen to Sozopol | 1,206.08 mi (1,940.99 km) |
| Ubbergen to Sredets | 1,189.64 mi (1,914.54 km) |
| Ubbergen to Stamboliyski | 1,098.82 mi (1,768.37 km) |
| Ubbergen to Stara Zagora | 1,126.46 mi (1,812.87 km) |
| Ubbergen to Svilengrad | 1,178.38 mi (1,896.41 km) |
| Ubbergen to Svishtov | 1,061.77 mi (1,708.75 km) |
| Ubbergen to Targovishte | 1,125.79 mi (1,811.78 km) |
| Ubbergen to Teteven | 1,051.93 mi (1,692.91 km) |
| Ubbergen to Troyan | 1,070.40 mi (1,722.64 km) |
| Ubbergen to Tryavna | 1,100.90 mi (1,771.73 km) |
| Ubbergen to Tutrakan | 1,093.17 mi (1,759.28 km) |
| Ubbergen to Varna | 1,179.78 mi (1,898.66 km) |
