| Opalenica to Castelfidardo | 625.18 mi (1,006.13 km) |
| Opalenica to Castelfiorentino | 651.85 mi (1,049.05 km) |
| Opalenica to Castelfranco di Sopra | 640.32 mi (1,030.49 km) |
| Opalenica to Castelfranco di Sotto | 649.33 mi (1,045.00 km) |
| Opalenica to Castelfranco Emilia | 586.30 mi (943.56 km) |
| Opalenica to Castelfranco Veneto | 501.57 mi (807.20 km) |
| Opalenica to Castellabate | 833.99 mi (1,342.18 km) |
| Opalenica to Castellammare del Golfo | 1,001.33 mi (1,611.49 km) |
| Opalenica to Castellammare di Stabia | 807.56 mi (1,299.64 km) |
| Opalenica to Castellamonte | 620.02 mi (997.82 km) |
| Opalenica to Castellana Grotte | 790.15 mi (1,271.63 km) |
| Opalenica to Castellaneta | 807.00 mi (1,298.75 km) |
| Opalenica to Castellanza | 573.72 mi (923.31 km) |
| Opalenica to Castellarano | 593.43 mi (955.04 km) |
| Opalenica to Castelleone | 570.76 mi (918.55 km) |
