| Cities | Distance |
|---|---|
| Portici to Smolyan | 540.76 mi (870.27 km) |
| Portici to Sofia | 480.88 mi (773.91 km) |
| Portici to Sopot | 550.98 mi (886.72 km) |
| Portici to Sozopol | 698.04 mi (1,123.39 km) |
| Portici to Sredets | 672.23 mi (1,081.85 km) |
| Portici to Stamboliyski | 535.03 mi (861.04 km) |
| Portici to Stara Zagora | 594.14 mi (956.17 km) |
| Portici to Svilengrad | 618.60 mi (995.53 km) |
| Portici to Svishtov | 595.00 mi (957.55 km) |
| Portici to Targovishte | 649.63 mi (1,045.47 km) |
| Portici to Teteven | 530.49 mi (853.73 km) |
| Portici to Troyan | 552.29 mi (888.82 km) |
| Portici to Tryavna | 591.04 mi (951.19 km) |
| Portici to Tutrakan | 663.79 mi (1,068.27 km) |
| Portici to Varna | 715.39 mi (1,151.30 km) |