| Sinzig to Smolyan | 1,036.46 mi (1,668.03 km) |
| Sinzig to Sofia | 932.71 mi (1,501.05 km) |
| Sinzig to Sopot | 990.00 mi (1,593.25 km) |
| Sinzig to Sozopol | 1,117.91 mi (1,799.11 km) |
| Sinzig to Sredets | 1,100.47 mi (1,771.04 km) |
| Sinzig to Stamboliyski | 1,004.69 mi (1,616.89 km) |
| Sinzig to Stara Zagora | 1,034.94 mi (1,665.58 km) |
| Sinzig to Svilengrad | 1,086.07 mi (1,747.86 km) |
| Sinzig to Svishtov | 973.17 mi (1,566.17 km) |
| Sinzig to Targovishte | 1,038.19 mi (1,670.80 km) |
| Sinzig to Teteven | 959.36 mi (1,543.94 km) |
| Sinzig to Troyan | 978.52 mi (1,574.77 km) |
| Sinzig to Tryavna | 1,010.31 mi (1,625.94 km) |
| Sinzig to Tutrakan | 1,008.24 mi (1,622.61 km) |
| Sinzig to Varna | 1,094.33 mi (1,761.16 km) |
