| Neuenburg am Rhein to Smolyan | 942.57 mi (1,516.93 km) |
| Neuenburg am Rhein to Sofia | 842.36 mi (1,355.64 km) |
| Neuenburg am Rhein to Sopot | 906.77 mi (1,459.30 km) |
| Neuenburg am Rhein to Sozopol | 1,046.58 mi (1,684.31 km) |
| Neuenburg am Rhein to Sredets | 1,026.22 mi (1,651.55 km) |
| Neuenburg am Rhein to Stamboliyski | 915.12 mi (1,472.75 km) |
| Neuenburg am Rhein to Stara Zagora | 954.08 mi (1,535.45 km) |
| Neuenburg am Rhein to Svilengrad | 1,001.56 mi (1,611.85 km) |
| Neuenburg am Rhein to Svishtov | 903.40 mi (1,453.88 km) |
| Neuenburg am Rhein to Targovishte | 970.17 mi (1,561.34 km) |
| Neuenburg am Rhein to Teteven | 876.42 mi (1,410.45 km) |
| Neuenburg am Rhein to Troyan | 897.56 mi (1,444.48 km) |
| Neuenburg am Rhein to Tryavna | 933.13 mi (1,501.72 km) |
| Neuenburg am Rhein to Tutrakan | 949.13 mi (1,527.48 km) |
| Neuenburg am Rhein to Varna | 1,031.85 mi (1,660.61 km) |
