| Hackettstown to Cosham | 3,464.94 mi (5,576.28 km) |
| Hackettstown to Costessey | 3,516.56 mi (5,659.35 km) |
| Hackettstown to Cottingham | 3,428.52 mi (5,517.67 km) |
| Hackettstown to Coulsdon | 3,492.21 mi (5,620.18 km) |
| Hackettstown to Coventry | 3,413.09 mi (5,492.85 km) |
| Hackettstown to Cowdenbeath | 3,274.37 mi (5,269.58 km) |
| Hackettstown to Cowes | 3,457.12 mi (5,563.69 km) |
| Hackettstown to Cowley | 3,473.62 mi (5,590.26 km) |
| Hackettstown to Cowley | 3,439.28 mi (5,534.99 km) |
| Hackettstown to Cramlington | 3,358.45 mi (5,404.90 km) |
| Hackettstown to Cranleigh | 3,482.50 mi (5,604.54 km) |
| Hackettstown to Crawley | 3,495.04 mi (5,624.72 km) |
| Hackettstown to Crayford | 3,502.34 mi (5,636.47 km) |
| Hackettstown to Crewe | 3,362.09 mi (5,410.75 km) |
| Hackettstown to Crigglestone | 3,387.82 mi (5,452.17 km) |
