| Nideggen to Smolyan | 1,071.06 mi (1,723.70 km) |
| Nideggen to Sofia | 967.38 mi (1,556.85 km) |
| Nideggen to Sopot | 1,024.94 mi (1,649.49 km) |
| Nideggen to Sozopol | 1,153.16 mi (1,855.83 km) |
| Nideggen to Sredets | 1,135.67 mi (1,827.68 km) |
| Nideggen to Stamboliyski | 1,039.43 mi (1,672.81 km) |
| Nideggen to Stara Zagora | 1,069.97 mi (1,721.95 km) |
| Nideggen to Svilengrad | 1,121.02 mi (1,804.11 km) |
| Nideggen to Svishtov | 1,008.41 mi (1,622.88 km) |
| Nideggen to Targovishte | 1,073.46 mi (1,727.57 km) |
| Nideggen to Teteven | 994.30 mi (1,600.17 km) |
| Nideggen to Troyan | 1,013.52 mi (1,631.10 km) |
| Nideggen to Tryavna | 1,045.42 mi (1,682.44 km) |
| Nideggen to Tutrakan | 1,043.58 mi (1,679.48 km) |
| Nideggen to Varna | 1,129.66 mi (1,818.02 km) |
