| Grootegast to Smolyan | 1,171.69 mi (1,885.65 km) |
| Grootegast to Sofia | 1,067.42 mi (1,717.84 km) |
| Grootegast to Sopot | 1,118.31 mi (1,799.75 km) |
| Grootegast to Sozopol | 1,234.60 mi (1,986.90 km) |
| Grootegast to Sredets | 1,219.77 mi (1,963.02 km) |
| Grootegast to Stamboliyski | 1,137.36 mi (1,830.40 km) |
| Grootegast to Stara Zagora | 1,160.57 mi (1,867.75 km) |
| Grootegast to Svilengrad | 1,213.49 mi (1,952.92 km) |
| Grootegast to Svishtov | 1,091.74 mi (1,756.99 km) |
| Grootegast to Targovishte | 1,153.90 mi (1,857.03 km) |
| Grootegast to Teteven | 1,088.13 mi (1,751.17 km) |
| Grootegast to Troyan | 1,105.39 mi (1,778.96 km) |
| Grootegast to Tryavna | 1,133.67 mi (1,824.47 km) |
| Grootegast to Tutrakan | 1,117.64 mi (1,798.67 km) |
| Grootegast to Varna | 1,204.48 mi (1,938.42 km) |
