| Harpenden to Camardi | 1,955.92 mi (3,147.75 km) |
| Harpenden to Camas | 1,929.37 mi (3,105.03 km) |
| Harpenden to Camliyayla | 1,970.86 mi (3,171.79 km) |
| Harpenden to Camoluk | 2,012.76 mi (3,239.23 km) |
| Harpenden to Can | 1,534.61 mi (2,469.71 km) |
| Harpenden to Canakkale | 1,503.43 mi (2,419.54 km) |
| Harpenden to Cankaya | 1,776.61 mi (2,859.18 km) |
| Harpenden to Cankiri | 1,778.44 mi (2,862.12 km) |
| Harpenden to Cardak | 1,741.52 mi (2,802.71 km) |
| Harpenden to Carsamba | 1,884.44 mi (3,032.72 km) |
| Harpenden to Carsibasi | 2,001.67 mi (3,221.38 km) |
| Harpenden to Cat | 2,129.58 mi (3,427.23 km) |
| Harpenden to Catalagzi | 1,668.01 mi (2,684.41 km) |
| Harpenden to Catalca | 1,542.48 mi (2,482.38 km) |
| Harpenden to Catalpinar | 1,928.06 mi (3,102.91 km) |
