| Isola del Liri to Smolyan | 574.28 mi (924.21 km) |
| Isola del Liri to Sofia | 504.16 mi (811.37 km) |
| Isola del Liri to Sopot | 575.90 mi (926.83 km) |
| Isola del Liri to Sozopol | 725.78 mi (1,168.03 km) |
| Isola del Liri to Sredets | 700.33 mi (1,127.06 km) |
| Isola del Liri to Stamboliyski | 564.09 mi (907.82 km) |
| Isola del Liri to Stara Zagora | 621.23 mi (999.77 km) |
| Isola del Liri to Svilengrad | 650.62 mi (1,047.07 km) |
| Isola del Liri to Svishtov | 612.73 mi (986.10 km) |
| Isola del Liri to Targovishte | 671.25 mi (1,080.27 km) |
| Isola del Liri to Teteven | 552.77 mi (889.59 km) |
| Isola del Liri to Troyan | 575.26 mi (925.80 km) |
| Isola del Liri to Tryavna | 614.74 mi (989.34 km) |
| Isola del Liri to Tutrakan | 679.78 mi (1,093.99 km) |
| Isola del Liri to Varna | 738.03 mi (1,187.75 km) |
