| Olbia to Campodarsego | 339.21 mi (545.91 km) |
| Olbia to Campogalliano | 269.08 mi (433.05 km) |
| Olbia to Campolongo Maggiore | 331.10 mi (532.85 km) |
| Olbia to Camponogara | 334.59 mi (538.47 km) |
| Olbia to Camposampiero | 343.79 mi (553.28 km) |
| Olbia to Canegrate | 322.54 mi (519.09 km) |
| Olbia to Canelli | 269.86 mi (434.29 km) |
| Olbia to Canicatti | 338.29 mi (544.42 km) |
| Olbia to Canosa di Puglia | 342.62 mi (551.40 km) |
| Olbia to Cantu | 333.30 mi (536.40 km) |
| Olbia to Caorle | 365.55 mi (588.30 km) |
| Olbia to Capaci | 275.03 mi (442.62 km) |
| Olbia to Capannori | 209.85 mi (337.72 km) |
| Olbia to Capena | 178.53 mi (287.31 km) |
| Olbia to Capo d'Orlando | 338.00 mi (543.96 km) |
