| Ratingen to Smolyan | 1,078.17 mi (1,735.14 km) |
| Ratingen to Sofia | 974.09 mi (1,567.65 km) |
| Ratingen to Sopot | 1,029.66 mi (1,657.07 km) |
| Ratingen to Sozopol | 1,154.47 mi (1,857.95 km) |
| Ratingen to Sredets | 1,137.75 mi (1,831.03 km) |
| Ratingen to Stamboliyski | 1,045.62 mi (1,682.76 km) |
| Ratingen to Stara Zagora | 1,073.91 mi (1,728.30 km) |
| Ratingen to Svilengrad | 1,125.64 mi (1,811.54 km) |
| Ratingen to Svishtov | 1,010.00 mi (1,625.43 km) |
| Ratingen to Targovishte | 1,074.32 mi (1,728.96 km) |
| Ratingen to Teteven | 999.09 mi (1,607.89 km) |
| Ratingen to Troyan | 1,017.74 mi (1,637.90 km) |
| Ratingen to Tryavna | 1,048.59 mi (1,687.54 km) |
| Ratingen to Tutrakan | 1,042.49 mi (1,677.73 km) |
| Ratingen to Varna | 1,128.98 mi (1,816.91 km) |
