| Knaresborough to Smolyan | 1,473.47 mi (2,371.32 km) |
| Knaresborough to Sofia | 1,369.39 mi (2,203.82 km) |
| Knaresborough to Sopot | 1,424.56 mi (2,292.61 km) |
| Knaresborough to Sozopol | 1,547.20 mi (2,489.97 km) |
| Knaresborough to Sredets | 1,531.12 mi (2,464.10 km) |
| Knaresborough to Stamboliyski | 1,440.86 mi (2,318.84 km) |
| Knaresborough to Stara Zagora | 1,468.48 mi (2,363.29 km) |
| Knaresborough to Svilengrad | 1,520.46 mi (2,446.95 km) |
| Knaresborough to Svishtov | 1,403.14 mi (2,258.14 km) |
| Knaresborough to Targovishte | 1,466.75 mi (2,360.51 km) |
| Knaresborough to Teteven | 1,394.04 mi (2,243.48 km) |
| Knaresborough to Troyan | 1,412.46 mi (2,273.14 km) |
| Knaresborough to Tryavna | 1,442.77 mi (2,321.92 km) |
| Knaresborough to Tutrakan | 1,432.92 mi (2,306.07 km) |
| Knaresborough to Varna | 1,519.69 mi (2,445.70 km) |
