| Harpenden to Chambray-les-Tours | 313.19 mi (504.04 km) |
| Harpenden to Chamonix-Mont-Blanc | 522.56 mi (840.99 km) |
| Harpenden to Champigny-sur-Marne | 242.82 mi (390.78 km) |
| Harpenden to Champs-Sur-Marne | 242.73 mi (390.64 km) |
| Harpenden to Chanteloup-les-Vignes | 222.46 mi (358.01 km) |
| Harpenden to Chantepie | 263.69 mi (424.36 km) |
| Harpenden to Chantilly | 219.78 mi (353.70 km) |
| Harpenden to Chaponost | 481.27 mi (774.53 km) |
| Harpenden to Charenton-le-Pont | 239.76 mi (385.85 km) |
| Harpenden to Charleville-Mezieres | 262.54 mi (422.52 km) |
| Harpenden to Chartres | 246.06 mi (396.00 km) |
| Harpenden to Chassieu | 484.17 mi (779.19 km) |
| Harpenden to Chateau-d'Olonne | 372.39 mi (599.30 km) |
| Harpenden to Chateau-Gontier | 276.05 mi (444.26 km) |
| Harpenden to Chateau-Thierry | 252.87 mi (406.96 km) |
