| Newcastle under Lyme to Smolyan | 1,475.06 mi (2,373.88 km) |
| Newcastle under Lyme to Sofia | 1,371.50 mi (2,207.22 km) |
| Newcastle under Lyme to Sopot | 1,429.16 mi (2,300.01 km) |
| Newcastle under Lyme to Sozopol | 1,556.20 mi (2,504.47 km) |
| Newcastle under Lyme to Sredets | 1,539.13 mi (2,476.99 km) |
| Newcastle under Lyme to Stamboliyski | 1,443.63 mi (2,323.30 km) |
| Newcastle under Lyme to Stara Zagora | 1,474.07 mi (2,372.29 km) |
| Newcastle under Lyme to Svilengrad | 1,525.23 mi (2,454.63 km) |
| Newcastle under Lyme to Svishtov | 1,411.58 mi (2,271.72 km) |
| Newcastle under Lyme to Targovishte | 1,476.20 mi (2,375.72 km) |
| Newcastle under Lyme to Teteven | 1,398.52 mi (2,250.70 km) |
| Newcastle under Lyme to Troyan | 1,417.67 mi (2,281.52 km) |
| Newcastle under Lyme to Tryavna | 1,449.31 mi (2,332.44 km) |
| Newcastle under Lyme to Tutrakan | 1,444.73 mi (2,325.06 km) |
| Newcastle under Lyme to Varna | 1,531.19 mi (2,464.21 km) |
