| Boulder to Chambray-les-Tours | 4,886.31 mi (7,863.76 km) |
| Boulder to Chamonix-Mont-Blanc | 5,171.34 mi (8,322.47 km) |
| Boulder to Champigny-sur-Marne | 4,886.44 mi (7,863.96 km) |
| Boulder to Champs-Sur-Marne | 4,887.93 mi (7,866.36 km) |
| Boulder to Chanteloup-les-Vignes | 4,862.34 mi (7,825.18 km) |
| Boulder to Chantepie | 4,768.98 mi (7,674.93 km) |
| Boulder to Chantilly | 4,868.32 mi (7,834.80 km) |
| Boulder to Chaponost | 5,105.16 mi (8,215.96 km) |
| Boulder to Charenton-le-Pont | 4,882.14 mi (7,857.04 km) |
| Boulder to Charleville-Mezieres | 4,920.07 mi (7,918.09 km) |
| Boulder to Chartres | 4,865.67 mi (7,830.54 km) |
| Boulder to Chassieu | 5,111.69 mi (8,226.47 km) |
| Boulder to Chateau-d'Olonne | 4,830.91 mi (7,774.59 km) |
| Boulder to Chateau-Gontier | 4,813.46 mi (7,746.52 km) |
| Boulder to Chateau-Thierry | 4,907.35 mi (7,897.61 km) |
