| Pont-y-pwl to Smolyan | 1,477.45 mi (2,377.72 km) |
| Pont-y-pwl to Sofia | 1,375.00 mi (2,212.86 km) |
| Pont-y-pwl to Sopot | 1,435.57 mi (2,310.33 km) |
| Pont-y-pwl to Sozopol | 1,567.72 mi (2,523.01 km) |
| Pont-y-pwl to Sredets | 1,549.45 mi (2,493.59 km) |
| Pont-y-pwl to Stamboliyski | 1,447.65 mi (2,329.76 km) |
| Pont-y-pwl to Stara Zagora | 1,481.57 mi (2,384.36 km) |
| Pont-y-pwl to Svilengrad | 1,531.48 mi (2,464.69 km) |
| Pont-y-pwl to Svishtov | 1,422.95 mi (2,290.02 km) |
| Pont-y-pwl to Targovishte | 1,488.58 mi (2,395.64 km) |
| Pont-y-pwl to Teteven | 1,404.92 mi (2,261.01 km) |
| Pont-y-pwl to Troyan | 1,424.90 mi (2,293.15 km) |
| Pont-y-pwl to Tryavna | 1,458.11 mi (2,346.60 km) |
| Pont-y-pwl to Tutrakan | 1,460.21 mi (2,349.98 km) |
| Pont-y-pwl to Varna | 1,545.95 mi (2,487.97 km) |
