| Grabels to Smolyan | 1,069.25 mi (1,720.78 km) |
| Grabels to Sofia | 983.90 mi (1,583.43 km) |
| Grabels to Sopot | 1,055.42 mi (1,698.53 km) |
| Grabels to Sozopol | 1,205.80 mi (1,940.54 km) |
| Grabels to Sredets | 1,181.84 mi (1,901.98 km) |
| Grabels to Stamboliyski | 1,051.90 mi (1,692.88 km) |
| Grabels to Stara Zagora | 1,103.29 mi (1,775.57 km) |
| Grabels to Svilengrad | 1,141.09 mi (1,836.40 km) |
| Grabels to Svishtov | 1,074.56 mi (1,729.33 km) |
| Grabels to Targovishte | 1,139.48 mi (1,833.82 km) |
| Grabels to Teteven | 1,027.99 mi (1,654.40 km) |
| Grabels to Troyan | 1,050.83 mi (1,691.14 km) |
| Grabels to Tryavna | 1,090.07 mi (1,754.29 km) |
| Grabels to Tutrakan | 1,133.52 mi (1,824.23 km) |
| Grabels to Varna | 1,206.06 mi (1,940.97 km) |
