| Richterich to Smolyan | 1,090.79 mi (1,755.46 km) |
| Richterich to Sofia | 987.14 mi (1,588.65 km) |
| Richterich to Sopot | 1,044.77 mi (1,681.40 km) |
| Richterich to Sozopol | 1,173.02 mi (1,887.80 km) |
| Richterich to Sredets | 1,155.53 mi (1,859.65 km) |
| Richterich to Stamboliyski | 1,059.21 mi (1,704.64 km) |
| Richterich to Stara Zagora | 1,089.82 mi (1,753.90 km) |
| Richterich to Svilengrad | 1,140.85 mi (1,836.02 km) |
| Richterich to Svishtov | 1,028.27 mi (1,654.85 km) |
| Richterich to Targovishte | 1,093.32 mi (1,759.53 km) |
| Richterich to Teteven | 1,014.13 mi (1,632.09 km) |
| Richterich to Troyan | 1,033.36 mi (1,663.04 km) |
| Richterich to Tryavna | 1,065.28 mi (1,714.41 km) |
| Richterich to Tutrakan | 1,063.40 mi (1,711.38 km) |
| Richterich to Varna | 1,149.49 mi (1,849.93 km) |
