| Olbia to Carmignano | 214.80 mi (345.69 km) |
| Olbia to Carovigno | 427.20 mi (687.51 km) |
| Olbia to Carpenedolo | 310.94 mi (500.41 km) |
| Olbia to Carpi | 276.18 mi (444.47 km) |
| Olbia to Carrara | 220.63 mi (355.07 km) |
| Olbia to Carugate | 320.24 mi (515.38 km) |
| Olbia to Casal di Principe | 241.80 mi (389.14 km) |
| Olbia to Casale Monferrato | 296.11 mi (476.54 km) |
| Olbia to Casale sul Sile | 353.54 mi (568.96 km) |
| Olbia to Casalecchio di Reno | 262.52 mi (422.49 km) |
| Olbia to Casalgrande | 260.94 mi (419.94 km) |
| Olbia to Casalmaggiore | 284.92 mi (458.54 km) |
| Olbia to Casalnuovo di Napoli | 253.19 mi (407.47 km) |
| Olbia to Casalpusterlengo | 294.51 mi (473.97 km) |
| Olbia to Casaluce | 245.28 mi (394.73 km) |
