| Huntingdon to Smolyan | 1,377.72 mi (2,217.22 km) |
| Huntingdon to Sofia | 1,274.27 mi (2,050.74 km) |
| Huntingdon to Sopot | 1,332.36 mi (2,144.23 km) |
| Huntingdon to Sozopol | 1,460.42 mi (2,350.31 km) |
| Huntingdon to Sredets | 1,443.08 mi (2,322.41 km) |
| Huntingdon to Stamboliyski | 1,346.48 mi (2,166.95 km) |
| Huntingdon to Stara Zagora | 1,377.47 mi (2,216.82 km) |
| Huntingdon to Svilengrad | 1,428.44 mi (2,298.85 km) |
| Huntingdon to Svishtov | 1,315.71 mi (2,117.43 km) |
| Huntingdon to Targovishte | 1,380.58 mi (2,221.83 km) |
| Huntingdon to Teteven | 1,301.71 mi (2,094.90 km) |
| Huntingdon to Troyan | 1,321.00 mi (2,125.94 km) |
| Huntingdon to Tryavna | 1,352.93 mi (2,177.33 km) |
| Huntingdon to Tutrakan | 1,349.85 mi (2,172.38 km) |
| Huntingdon to Varna | 1,436.16 mi (2,311.28 km) |
