| Ariano Irpino to Smolyan | 498.99 mi (803.05 km) |
| Ariano Irpino to Sofia | 436.72 mi (702.83 km) |
| Ariano Irpino to Sopot | 507.18 mi (816.23 km) |
| Ariano Irpino to Sozopol | 654.94 mi (1,054.02 km) |
| Ariano Irpino to Sredets | 629.19 mi (1,012.58 km) |
| Ariano Irpino to Stamboliyski | 492.07 mi (791.91 km) |
| Ariano Irpino to Stara Zagora | 550.80 mi (886.43 km) |
| Ariano Irpino to Svilengrad | 576.49 mi (927.77 km) |
| Ariano Irpino to Svishtov | 550.21 mi (885.48 km) |
| Ariano Irpino to Targovishte | 605.36 mi (974.24 km) |
| Ariano Irpino to Teteven | 486.22 mi (782.50 km) |
| Ariano Irpino to Troyan | 508.15 mi (817.79 km) |
| Ariano Irpino to Tryavna | 547.06 mi (880.41 km) |
| Ariano Irpino to Tutrakan | 618.88 mi (995.99 km) |
| Ariano Irpino to Varna | 671.32 mi (1,080.39 km) |
