| Hitchin to Smolyan | 1,371.95 mi (2,207.94 km) |
| Hitchin to Sofia | 1,268.80 mi (2,041.94 km) |
| Hitchin to Sopot | 1,327.78 mi (2,136.86 km) |
| Hitchin to Sozopol | 1,457.40 mi (2,345.46 km) |
| Hitchin to Sredets | 1,439.70 mi (2,316.97 km) |
| Hitchin to Stamboliyski | 1,341.19 mi (2,158.44 km) |
| Hitchin to Stara Zagora | 1,373.23 mi (2,209.99 km) |
| Hitchin to Svilengrad | 1,423.83 mi (2,291.44 km) |
| Hitchin to Svishtov | 1,312.62 mi (2,112.46 km) |
| Hitchin to Targovishte | 1,377.81 mi (2,217.37 km) |
| Hitchin to Teteven | 1,297.12 mi (2,087.51 km) |
| Hitchin to Troyan | 1,316.66 mi (2,118.96 km) |
| Hitchin to Tryavna | 1,349.07 mi (2,171.12 km) |
| Hitchin to Tutrakan | 1,348.03 mi (2,169.44 km) |
| Hitchin to Varna | 1,434.13 mi (2,308.01 km) |
