| Ettlingen to Smolyan | 938.47 mi (1,510.32 km) |
| Ettlingen to Sofia | 835.91 mi (1,345.27 km) |
| Ettlingen to Sopot | 896.75 mi (1,443.18 km) |
| Ettlingen to Sozopol | 1,030.92 mi (1,659.11 km) |
| Ettlingen to Sredets | 1,011.98 mi (1,628.62 km) |
| Ettlingen to Stamboliyski | 908.55 mi (1,462.17 km) |
| Ettlingen to Stara Zagora | 943.00 mi (1,517.61 km) |
| Ettlingen to Svilengrad | 992.58 mi (1,597.40 km) |
| Ettlingen to Svishtov | 886.39 mi (1,426.51 km) |
| Ettlingen to Targovishte | 952.56 mi (1,533.00 km) |
| Ettlingen to Teteven | 866.12 mi (1,393.89 km) |
| Ettlingen to Troyan | 886.30 mi (1,426.36 km) |
| Ettlingen to Tryavna | 920.04 mi (1,480.67 km) |
| Ettlingen to Tutrakan | 927.05 mi (1,491.94 km) |
| Ettlingen to Varna | 1,011.74 mi (1,628.23 km) |
