| Frome to Smolyan | 1,438.18 mi (2,314.53 km) |
| Frome to Sofia | 1,336.07 mi (2,150.20 km) |
| Frome to Sopot | 1,397.31 mi (2,248.75 km) |
| Frome to Sozopol | 1,530.70 mi (2,463.42 km) |
| Frome to Sredets | 1,512.11 mi (2,433.50 km) |
| Frome to Stamboliyski | 1,408.79 mi (2,267.22 km) |
| Frome to Stara Zagora | 1,443.55 mi (2,323.16 km) |
| Frome to Svilengrad | 1,493.11 mi (2,402.93 km) |
| Frome to Svishtov | 1,385.99 mi (2,230.54 km) |
| Frome to Targovishte | 1,451.85 mi (2,336.53 km) |
| Frome to Teteven | 1,366.68 mi (2,199.46 km) |
| Frome to Troyan | 1,386.85 mi (2,231.92 km) |
| Frome to Tryavna | 1,420.43 mi (2,285.97 km) |
| Frome to Tutrakan | 1,424.38 mi (2,292.31 km) |
| Frome to Varna | 1,509.85 mi (2,429.87 km) |
