| Olbia to Caltagirone | 369.88 mi (595.27 km) |
| Olbia to Caltanissetta | 340.08 mi (547.30 km) |
| Olbia to Calvisano | 309.19 mi (497.59 km) |
| Olbia to Calvizzano | 244.53 mi (393.53 km) |
| Olbia to Camaiore | 212.38 mi (341.79 km) |
| Olbia to Cameri | 319.55 mi (514.27 km) |
| Olbia to Camisano Vicentino | 336.82 mi (542.06 km) |
| Olbia to Campagna | 293.39 mi (472.17 km) |
| Olbia to Campagnano di Roma | 171.19 mi (275.50 km) |
| Olbia to Campi Bisenzio | 217.01 mi (349.25 km) |
| Olbia to Campi Salentina | 447.65 mi (720.42 km) |
| Olbia to Campiglia Marittima | 159.23 mi (256.26 km) |
| Olbia to Campobasso | 272.12 mi (437.93 km) |
| Olbia to Campobello di Licata | 346.74 mi (558.02 km) |
| Olbia to Campobello di Mazara | 285.75 mi (459.88 km) |
