| Olbia to Chateaubriant | 712.82 mi (1,147.17 km) |
| Olbia to Chateaudun | 636.56 mi (1,024.45 km) |
| Olbia to Chateauneuf-les-Martigues | 279.88 mi (450.42 km) |
| Olbia to Chateaurenard | 313.21 mi (504.07 km) |
| Olbia to Chateauroux | 562.61 mi (905.43 km) |
| Olbia to Chatellerault | 603.58 mi (971.38 km) |
| Olbia to Chatenay-Malabry | 646.84 mi (1,040.98 km) |
| Olbia to Chatillon | 648.47 mi (1,043.61 km) |
| Olbia to Chatou | 657.02 mi (1,057.38 km) |
| Olbia to Chaumont | 541.34 mi (871.21 km) |
| Olbia to Chauny | 673.61 mi (1,084.08 km) |
| Olbia to Chaville | 651.65 mi (1,048.73 km) |
| Olbia to Checy | 606.39 mi (975.88 km) |
| Olbia to Chelles | 645.15 mi (1,038.27 km) |
| Olbia to Chennevieres-sur-Marne | 641.99 mi (1,033.19 km) |
