| Lucena to Smolyan | 1,574.86 mi (2,534.50 km) |
| Lucena to Sofia | 1,508.46 mi (2,427.63 km) |
| Lucena to Sopot | 1,580.17 mi (2,543.05 km) |
| Lucena to Sozopol | 1,729.70 mi (2,783.68 km) |
| Lucena to Sredets | 1,704.12 mi (2,742.51 km) |
| Lucena to Stamboliyski | 1,567.35 mi (2,522.41 km) |
| Lucena to Stara Zagora | 1,625.21 mi (2,615.52 km) |
| Lucena to Svilengrad | 1,652.40 mi (2,659.28 km) |
| Lucena to Svishtov | 1,615.33 mi (2,599.62 km) |
| Lucena to Targovishte | 1,675.16 mi (2,695.91 km) |
| Lucena to Teteven | 1,556.98 mi (2,505.71 km) |
| Lucena to Troyan | 1,579.52 mi (2,542.00 km) |
| Lucena to Tryavna | 1,619.03 mi (2,605.58 km) |
| Lucena to Tutrakan | 1,680.88 mi (2,705.11 km) |
| Lucena to Varna | 1,742.09 mi (2,803.63 km) |
