| Olbia to Chambray-les-Tours | 621.08 mi (999.54 km) |
| Olbia to Chamonix-Mont-Blanc | 370.14 mi (595.68 km) |
| Olbia to Champigny-sur-Marne | 643.54 mi (1,035.68 km) |
| Olbia to Champs-Sur-Marne | 643.34 mi (1,035.36 km) |
| Olbia to Chanteloup-les-Vignes | 665.35 mi (1,070.77 km) |
| Olbia to Chantepie | 737.32 mi (1,186.61 km) |
| Olbia to Chantilly | 666.09 mi (1,071.97 km) |
| Olbia to Chaponost | 408.38 mi (657.22 km) |
| Olbia to Charenton-le-Pont | 646.94 mi (1,041.15 km) |
| Olbia to Charleville-Mezieres | 654.11 mi (1,052.69 km) |
| Olbia to Chartres | 652.23 mi (1,049.66 km) |
| Olbia to Chassieu | 403.80 mi (649.86 km) |
| Olbia to Chateau-d'Olonne | 680.15 mi (1,094.59 km) |
| Olbia to Chateau-Gontier | 693.15 mi (1,115.52 km) |
| Olbia to Chateau-Thierry | 635.34 mi (1,022.49 km) |
