| Nidda to Smolyan | 965.81 mi (1,554.33 km) |
| Nidda to Sofia | 861.75 mi (1,386.86 km) |
| Nidda to Sopot | 917.56 mi (1,476.68 km) |
| Nidda to Sozopol | 1,043.40 mi (1,679.19 km) |
| Nidda to Sredets | 1,026.38 mi (1,651.81 km) |
| Nidda to Stamboliyski | 933.32 mi (1,502.04 km) |
| Nidda to Stara Zagora | 961.99 mi (1,548.17 km) |
| Nidda to Svilengrad | 1,013.58 mi (1,631.19 km) |
| Nidda to Svishtov | 898.79 mi (1,446.46 km) |
| Nidda to Targovishte | 963.43 mi (1,550.48 km) |
| Nidda to Teteven | 886.98 mi (1,427.46 km) |
| Nidda to Troyan | 905.75 mi (1,457.66 km) |
| Nidda to Tryavna | 936.86 mi (1,507.74 km) |
| Nidda to Tutrakan | 932.54 mi (1,500.79 km) |
| Nidda to Varna | 1,018.83 mi (1,639.65 km) |
