| Nieder-Olm to Smolyan | 978.11 mi (1,574.11 km) |
| Nieder-Olm to Sofia | 874.57 mi (1,407.48 km) |
| Nieder-Olm to Sopot | 932.77 mi (1,501.14 km) |
| Nieder-Olm to Sozopol | 1,062.47 mi (1,709.87 km) |
| Nieder-Olm to Sredets | 1,044.59 mi (1,681.10 km) |
| Nieder-Olm to Stamboliyski | 946.75 mi (1,523.64 km) |
| Nieder-Olm to Stara Zagora | 978.08 mi (1,574.06 km) |
| Nieder-Olm to Svilengrad | 1,028.84 mi (1,655.75 km) |
| Nieder-Olm to Svishtov | 917.67 mi (1,476.85 km) |
| Nieder-Olm to Targovishte | 983.07 mi (1,582.11 km) |
| Nieder-Olm to Teteven | 902.11 mi (1,451.80 km) |
| Nieder-Olm to Troyan | 921.54 mi (1,483.08 km) |
| Nieder-Olm to Tryavna | 953.88 mi (1,535.11 km) |
| Nieder-Olm to Tutrakan | 954.42 mi (1,535.99 km) |
| Nieder-Olm to Varna | 1,040.16 mi (1,673.98 km) |
