| Spa to Sofia | 984.91 mi (1,585.06 km) |
| Spa to Sopot | 1,043.55 mi (1,679.42 km) |
| Spa to Sozopol | 1,173.48 mi (1,888.54 km) |
| Spa to Sredets | 1,155.60 mi (1,859.76 km) |
| Spa to Stamboliyski | 1,057.20 mi (1,701.40 km) |
| Spa to Stara Zagora | 1,088.96 mi (1,752.52 km) |
| Spa to Svilengrad | 1,139.61 mi (1,834.02 km) |
| Spa to Svishtov | 1,028.69 mi (1,655.51 km) |
| Spa to Targovishte | 1,094.07 mi (1,760.73 km) |
| Spa to Teteven | 1,012.89 mi (1,630.08 km) |
| Spa to Troyan | 1,032.40 mi (1,661.49 km) |
| Spa to Tryavna | 1,064.85 mi (1,713.70 km) |
| Spa to Tutrakan | 1,065.18 mi (1,714.24 km) |
| Spa to Varna | 1,151.01 mi (1,852.37 km) |
| Spa to Veliki Preslav | 1,107.03 mi (1,781.59 km) |
