| Pembroke Dock to Smolyan | 1,555.63 mi (2,503.55 km) |
| Pembroke Dock to Sofia | 1,453.51 mi (2,339.20 km) |
| Pembroke Dock to Sopot | 1,514.66 mi (2,437.61 km) |
| Pembroke Dock to Sozopol | 1,647.68 mi (2,651.69 km) |
| Pembroke Dock to Sredets | 1,629.21 mi (2,621.96 km) |
| Pembroke Dock to Stamboliyski | 1,526.22 mi (2,456.22 km) |
| Pembroke Dock to Stara Zagora | 1,560.85 mi (2,511.94 km) |
| Pembroke Dock to Svilengrad | 1,610.49 mi (2,591.83 km) |
| Pembroke Dock to Svishtov | 1,502.95 mi (2,418.76 km) |
| Pembroke Dock to Targovishte | 1,568.71 mi (2,524.60 km) |
| Pembroke Dock to Teteven | 1,484.03 mi (2,388.31 km) |
| Pembroke Dock to Troyan | 1,504.16 mi (2,420.70 km) |
| Pembroke Dock to Tryavna | 1,537.64 mi (2,474.59 km) |
| Pembroke Dock to Tutrakan | 1,540.79 mi (2,479.66 km) |
| Pembroke Dock to Varna | 1,626.41 mi (2,617.45 km) |
