| Groves to Smolyan | 6,135.69 mi (9,874.44 km) |
| Groves to Sofia | 6,032.33 mi (9,708.10 km) |
| Groves to Sopot | 6,089.81 mi (9,800.60 km) |
| Groves to Sozopol | 6,213.03 mi (9,998.91 km) |
| Groves to Sredets | 6,197.25 mi (9,973.52 km) |
| Groves to Stamboliyski | 6,104.53 mi (9,824.29 km) |
| Groves to Stara Zagora | 6,134.28 mi (9,872.17 km) |
| Groves to Svilengrad | 6,185.85 mi (9,955.16 km) |
| Groves to Svishtov | 6,069.23 mi (9,767.49 km) |
| Groves to Targovishte | 6,132.45 mi (9,869.23 km) |
| Groves to Teteven | 6,059.20 mi (9,751.34 km) |
| Groves to Troyan | 6,078.06 mi (9,781.69 km) |
| Groves to Tryavna | 6,108.87 mi (9,831.27 km) |
| Groves to Tutrakan | 6,096.94 mi (9,812.07 km) |
| Groves to Varna | 6,183.77 mi (9,951.82 km) |
