| Goppingen to Smolyan | 880.55 mi (1,417.10 km) |
| Goppingen to Sofia | 777.74 mi (1,251.65 km) |
| Goppingen to Sopot | 838.13 mi (1,348.84 km) |
| Goppingen to Sozopol | 971.85 mi (1,564.04 km) |
| Goppingen to Sredets | 952.98 mi (1,533.68 km) |
| Goppingen to Stamboliyski | 850.31 mi (1,368.44 km) |
| Goppingen to Stara Zagora | 884.26 mi (1,423.08 km) |
| Goppingen to Svilengrad | 934.01 mi (1,503.15 km) |
| Goppingen to Svishtov | 827.29 mi (1,331.40 km) |
| Goppingen to Targovishte | 893.43 mi (1,437.84 km) |
| Goppingen to Teteven | 807.49 mi (1,299.52 km) |
| Goppingen to Troyan | 827.57 mi (1,331.84 km) |
| Goppingen to Tryavna | 861.15 mi (1,385.89 km) |
| Goppingen to Tutrakan | 867.87 mi (1,396.70 km) |
| Goppingen to Varna | 952.56 mi (1,532.99 km) |
