| Clemmons to Cosham | 3,909.36 mi (6,291.50 km) |
| Clemmons to Costessey | 3,963.40 mi (6,378.48 km) |
| Clemmons to Cottingham | 3,876.00 mi (6,237.82 km) |
| Clemmons to Coulsdon | 3,937.45 mi (6,336.72 km) |
| Clemmons to Coventry | 3,859.22 mi (6,210.81 km) |
| Clemmons to Cowdenbeath | 3,722.84 mi (5,991.33 km) |
| Clemmons to Cowes | 3,901.36 mi (6,278.64 km) |
| Clemmons to Cowley | 3,919.02 mi (6,307.05 km) |
| Clemmons to Cowley | 3,884.74 mi (6,251.88 km) |
| Clemmons to Cramlington | 3,806.59 mi (6,126.12 km) |
| Clemmons to Cranleigh | 3,927.43 mi (6,320.59 km) |
| Clemmons to Crawley | 3,940.02 mi (6,340.85 km) |
| Clemmons to Crayford | 3,947.80 mi (6,353.36 km) |
| Clemmons to Crewe | 3,808.72 mi (6,129.54 km) |
| Clemmons to Crigglestone | 3,835.05 mi (6,171.92 km) |
