| Groslay to Smolyan | 1,195.18 mi (1,923.45 km) |
| Groslay to Sofia | 1,094.88 mi (1,762.04 km) |
| Groslay to Sopot | 1,158.93 mi (1,865.12 km) |
| Groslay to Sozopol | 1,297.56 mi (2,088.22 km) |
| Groslay to Sredets | 1,277.59 mi (2,056.08 km) |
| Groslay to Stamboliyski | 1,167.66 mi (1,879.16 km) |
| Groslay to Stara Zagora | 1,206.10 mi (1,941.02 km) |
| Groslay to Svilengrad | 1,253.91 mi (2,017.97 km) |
| Groslay to Svishtov | 1,153.82 mi (1,856.89 km) |
| Groslay to Targovishte | 1,220.45 mi (1,964.12 km) |
| Groslay to Teteven | 1,128.51 mi (1,816.17 km) |
| Groslay to Troyan | 1,149.50 mi (1,849.94 km) |
| Groslay to Tryavna | 1,184.71 mi (1,906.61 km) |
| Groslay to Tutrakan | 1,197.49 mi (1,927.18 km) |
| Groslay to Varna | 1,281.20 mi (2,061.88 km) |
