| Portici to Cankova | 416.09 mi (669.64 km) |
| Portici to Celje | 377.08 mi (606.84 km) |
| Portici to Cerklje na Gorenjskem | 375.18 mi (603.80 km) |
| Portici to Cerknica | 343.86 mi (553.39 km) |
| Portici to Cerkno | 367.21 mi (590.96 km) |
| Portici to Cerkvenjak | 404.99 mi (651.77 km) |
| Portici to Cirkulane | 390.50 mi (628.45 km) |
| Portici to Crensovci | 409.38 mi (658.84 km) |
| Portici to Crna na Koroskem | 391.20 mi (629.58 km) |
| Portici to Crnomelj | 331.05 mi (532.77 km) |
| Portici to Destrnik | 399.39 mi (642.76 km) |
| Portici to Divaca | 336.47 mi (541.50 km) |
| Portici to Dobje | 371.15 mi (597.31 km) |
| Portici to Dobrna | 383.86 mi (617.76 km) |
| Portici to Dobrova | 361.63 mi (581.98 km) |
