| Opoczno to Castelfidardo | 630.43 mi (1,014.58 km) |
| Opoczno to Castelfiorentino | 690.32 mi (1,110.97 km) |
| Opoczno to Castelfranco di Sopra | 672.06 mi (1,081.58 km) |
| Opoczno to Castelfranco di Sotto | 691.12 mi (1,112.25 km) |
| Opoczno to Castelfranco Emilia | 632.94 mi (1,018.62 km) |
| Opoczno to Castelfranco Veneto | 548.71 mi (883.07 km) |
| Opoczno to Castellabate | 808.13 mi (1,300.56 km) |
| Opoczno to Castellammare del Golfo | 990.33 mi (1,593.78 km) |
| Opoczno to Castellammare di Stabia | 788.26 mi (1,268.59 km) |
| Opoczno to Castellamonte | 708.80 mi (1,140.70 km) |
| Opoczno to Castellana Grotte | 740.11 mi (1,191.09 km) |
| Opoczno to Castellaneta | 759.36 mi (1,222.08 km) |
| Opoczno to Castellanza | 654.69 mi (1,053.62 km) |
| Opoczno to Castellarano | 642.94 mi (1,034.71 km) |
| Opoczno to Castelleone | 639.43 mi (1,029.06 km) |
