| Opalenica to Caltagirone | 1,045.33 mi (1,682.29 km) |
| Opalenica to Caltanissetta | 1,030.09 mi (1,657.77 km) |
| Opalenica to Calvisano | 553.94 mi (891.49 km) |
| Opalenica to Calvizzano | 795.18 mi (1,279.72 km) |
| Opalenica to Camaiore | 643.12 mi (1,035.01 km) |
| Opalenica to Cameri | 587.15 mi (944.93 km) |
| Opalenica to Camisano Vicentino | 515.15 mi (829.05 km) |
| Opalenica to Campagna | 806.71 mi (1,298.27 km) |
| Opalenica to Campagnano di Roma | 727.69 mi (1,171.10 km) |
| Opalenica to Campi Bisenzio | 634.91 mi (1,021.78 km) |
| Opalenica to Campi Salentina | 826.24 mi (1,329.70 km) |
| Opalenica to Campiglia Marittima | 692.54 mi (1,114.54 km) |
| Opalenica to Campobasso | 746.64 mi (1,201.60 km) |
| Opalenica to Campobello di Licata | 1,047.41 mi (1,685.65 km) |
| Opalenica to Campobello di Mazara | 1,029.26 mi (1,656.43 km) |
