| Hackettstown to Caldicot | 3,379.63 mi (5,438.98 km) |
| Hackettstown to Calne | 3,413.32 mi (5,493.21 km) |
| Hackettstown to Cam | 3,393.11 mi (5,460.68 km) |
| Hackettstown to Camberley | 3,467.26 mi (5,580.02 km) |
| Hackettstown to Camborne | 3,301.36 mi (5,313.02 km) |
| Hackettstown to Cambridge | 3,482.91 mi (5,605.20 km) |
| Hackettstown to Cambuslang | 3,248.02 mi (5,227.18 km) |
| Hackettstown to Canford Cliffs | 3,432.34 mi (5,523.82 km) |
| Hackettstown to Cannock | 3,386.61 mi (5,450.22 km) |
| Hackettstown to Canterbury | 3,542.78 mi (5,701.56 km) |
| Hackettstown to Carlisle | 3,309.70 mi (5,326.44 km) |
| Hackettstown to Carlton Colville | 3,540.07 mi (5,697.20 km) |
| Hackettstown to Carluke | 3,261.94 mi (5,249.58 km) |
| Hackettstown to Carnoustie | 3,292.18 mi (5,298.24 km) |
| Hackettstown to Carshalton | 3,490.04 mi (5,616.67 km) |
