| Northallerton to Smolyan | 1,481.79 mi (2,384.71 km) |
| Northallerton to Sofia | 1,377.62 mi (2,217.07 km) |
| Northallerton to Sopot | 1,432.06 mi (2,304.67 km) |
| Northallerton to Sozopol | 1,553.36 mi (2,499.89 km) |
| Northallerton to Sredets | 1,537.58 mi (2,474.50 km) |
| Northallerton to Stamboliyski | 1,448.87 mi (2,331.73 km) |
| Northallerton to Stara Zagora | 1,475.67 mi (2,374.86 km) |
| Northallerton to Svilengrad | 1,527.86 mi (2,458.86 km) |
| Northallerton to Svishtov | 1,409.54 mi (2,268.44 km) |
| Northallerton to Targovishte | 1,472.82 mi (2,370.28 km) |
| Northallerton to Teteven | 1,401.58 mi (2,255.63 km) |
| Northallerton to Troyan | 1,419.80 mi (2,284.94 km) |
| Northallerton to Tryavna | 1,449.70 mi (2,333.07 km) |
| Northallerton to Tutrakan | 1,438.32 mi (2,314.75 km) |
| Northallerton to Varna | 1,525.13 mi (2,454.46 km) |
