| Olbia to Cabestany | 358.95 mi (577.67 km) |
| Olbia to Cabries | 273.67 mi (440.43 km) |
| Olbia to Cachan | 646.91 mi (1,041.10 km) |
| Olbia to Caen | 745.79 mi (1,200.23 km) |
| Olbia to Cagnes-sur-Mer | 224.66 mi (361.55 km) |
| Olbia to Cahors | 476.20 mi (766.38 km) |
| Olbia to Calais | 783.43 mi (1,260.80 km) |
| Olbia to Caluire-et-Cuire | 410.03 mi (659.88 km) |
| Olbia to Cambrai | 707.36 mi (1,138.39 km) |
| Olbia to Canet-en-Roussillon | 356.36 mi (573.51 km) |
| Olbia to Cannes | 222.07 mi (357.39 km) |
| Olbia to Canteleu | 718.46 mi (1,156.25 km) |
| Olbia to Capbreton | 589.19 mi (948.21 km) |
| Olbia to Carcassonne | 399.35 mi (642.69 km) |
| Olbia to Carmaux | 431.96 mi (695.17 km) |
