| Difficult Run to Chambray-les-Tours | 3,813.08 mi (6,136.56 km) |
| Difficult Run to Chamonix-Mont-Blanc | 4,119.50 mi (6,629.69 km) |
| Difficult Run to Champigny-sur-Marne | 3,851.87 mi (6,198.99 km) |
| Difficult Run to Champs-Sur-Marne | 3,854.62 mi (6,203.41 km) |
| Difficult Run to Chanteloup-les-Vignes | 3,827.29 mi (6,159.43 km) |
| Difficult Run to Chantepie | 3,693.34 mi (5,943.85 km) |
| Difficult Run to Chantilly | 3,840.03 mi (6,179.93 km) |
| Difficult Run to Chaponost | 4,033.52 mi (6,491.33 km) |
| Difficult Run to Charenton-le-Pont | 3,846.97 mi (6,191.10 km) |
| Difficult Run to Charleville-Mezieres | 3,918.39 mi (6,306.04 km) |
| Difficult Run to Chartres | 3,817.46 mi (6,143.61 km) |
| Difficult Run to Chassieu | 4,042.30 mi (6,505.46 km) |
| Difficult Run to Chateau-d'Olonne | 3,726.67 mi (5,997.49 km) |
| Difficult Run to Chateau-Gontier | 3,739.22 mi (6,017.70 km) |
| Difficult Run to Chateau-Thierry | 3,883.16 mi (6,249.35 km) |
