| Hackettstown to Cockermouth | 3,297.48 mi (5,306.77 km) |
| Hackettstown to Colchester | 3,521.44 mi (5,667.22 km) |
| Hackettstown to Coleford | 3,380.97 mi (5,441.14 km) |
| Hackettstown to Colne | 3,358.14 mi (5,404.41 km) |
| Hackettstown to Colwyn Bay | 3,308.31 mi (5,324.20 km) |
| Hackettstown to Congleton | 3,369.74 mi (5,423.07 km) |
| Hackettstown to Conisbrough | 3,402.69 mi (5,476.11 km) |
| Hackettstown to Connahs Quay | 3,335.25 mi (5,367.56 km) |
| Hackettstown to Consett | 3,353.25 mi (5,396.54 km) |
| Hackettstown to Conwy | 3,303.30 mi (5,316.15 km) |
| Hackettstown to Cookstown | 3,166.00 mi (5,095.19 km) |
| Hackettstown to Corby | 3,443.91 mi (5,542.44 km) |
| Hackettstown to Corfe Mullen | 3,427.18 mi (5,515.51 km) |
| Hackettstown to Corsham | 3,406.03 mi (5,481.47 km) |
| Hackettstown to Coseley | 3,387.19 mi (5,451.15 km) |
