| Opalenica to Castelletto sopra Ticino | 575.25 mi (925.78 km) |
| Opalenica to Castelli Calepio | 547.18 mi (880.60 km) |
| Opalenica to Castelnovo ne' Monti | 609.58 mi (981.03 km) |
| Opalenica to Castelnuovo Berardenga | 659.27 mi (1,060.99 km) |
| Opalenica to Castelnuovo di Porto | 726.30 mi (1,168.87 km) |
| Opalenica to Castelnuovo di Verona | 539.49 mi (868.22 km) |
| Opalenica to Castelnuovo Rangone | 591.56 mi (952.03 km) |
| Opalenica to Castelvetrano | 1,025.49 mi (1,650.36 km) |
| Opalenica to Castelvetro di Modena | 594.42 mi (956.63 km) |
| Opalenica to Castenaso | 584.21 mi (940.19 km) |
| Opalenica to Castenedolo | 547.64 mi (881.34 km) |
| Opalenica to Castiglion Fiorentino | 653.17 mi (1,051.18 km) |
| Opalenica to Castiglione del Lago | 664.92 mi (1,070.09 km) |
| Opalenica to Castiglione delle Stiviere | 547.36 mi (880.90 km) |
| Opalenica to Castrolibero | 897.66 mi (1,444.64 km) |
