| Loviisa to Smolyan | 1,305.75 mi (2,101.40 km) |
| Loviisa to Sofia | 1,233.00 mi (1,984.33 km) |
| Loviisa to Sopot | 1,232.01 mi (1,982.72 km) |
| Loviisa to Sozopol | 1,248.08 mi (2,008.59 km) |
| Loviisa to Sredets | 1,251.82 mi (2,014.61 km) |
| Loviisa to Stamboliyski | 1,268.16 mi (2,040.91 km) |
| Loviisa to Stara Zagora | 1,245.65 mi (2,004.68 km) |
| Loviisa to Svilengrad | 1,291.47 mi (2,078.41 km) |
| Loviisa to Svishtov | 1,164.22 mi (1,873.63 km) |
| Loviisa to Targovishte | 1,189.07 mi (1,913.62 km) |
| Loviisa to Teteven | 1,214.80 mi (1,955.03 km) |
| Loviisa to Troyan | 1,215.97 mi (1,956.92 km) |
| Loviisa to Tryavna | 1,215.84 mi (1,956.70 km) |
| Loviisa to Tutrakan | 1,133.81 mi (1,824.70 km) |
| Loviisa to Varna | 1,193.35 mi (1,920.51 km) |
