| Longbenton to Smolyan | 1,507.18 mi (2,425.57 km) |
| Longbenton to Sofia | 1,402.90 mi (2,257.75 km) |
| Longbenton to Sopot | 1,455.98 mi (2,343.18 km) |
| Longbenton to Sozopol | 1,574.78 mi (2,534.36 km) |
| Longbenton to Sredets | 1,559.56 mi (2,509.86 km) |
| Longbenton to Stamboliyski | 1,473.71 mi (2,371.71 km) |
| Longbenton to Stara Zagora | 1,499.01 mi (2,412.43 km) |
| Longbenton to Svilengrad | 1,551.56 mi (2,496.99 km) |
| Longbenton to Svishtov | 1,431.49 mi (2,303.76 km) |
| Longbenton to Targovishte | 1,494.12 mi (2,404.56 km) |
| Longbenton to Teteven | 1,425.62 mi (2,294.31 km) |
| Longbenton to Troyan | 1,443.43 mi (2,322.98 km) |
| Longbenton to Tryavna | 1,472.59 mi (2,369.91 km) |
| Longbenton to Tutrakan | 1,458.39 mi (2,347.05 km) |
| Longbenton to Varna | 1,545.23 mi (2,486.81 km) |
