| Olbia to Chivasso | 306.33 mi (492.99 km) |
| Olbia to Ciampino | 171.95 mi (276.73 km) |
| Olbia to Cicciano | 262.68 mi (422.75 km) |
| Olbia to Cingoli | 254.73 mi (409.95 km) |
| Olbia to Cinisello Balsamo | 320.45 mi (515.71 km) |
| Olbia to Cinisi | 269.94 mi (434.43 km) |
| Olbia to Cirie | 313.39 mi (504.35 km) |
| Olbia to Ciro Marina | 416.67 mi (670.56 km) |
| Olbia to Cislago | 328.14 mi (528.08 km) |
| Olbia to Cisterna di Latina | 179.04 mi (288.13 km) |
| Olbia to Cisternino | 414.83 mi (667.61 km) |
| Olbia to Citta di Castello | 224.98 mi (362.08 km) |
| Olbia to Citta Sant'Angelo | 259.35 mi (417.39 km) |
| Olbia to Cittadella | 346.58 mi (557.76 km) |
| Olbia to Cittanova | 392.49 mi (631.65 km) |
