| Howard to Clacton-on-Sea | 3,878.28 mi (6,241.48 km) |
| Howard to Clay Cross | 3,737.77 mi (6,015.36 km) |
| Howard to Clayton | 3,703.02 mi (5,959.44 km) |
| Howard to Clayton le Moors | 3,682.64 mi (5,926.64 km) |
| Howard to Cleckheaton | 3,708.28 mi (5,967.90 km) |
| Howard to Cleethorpes | 3,775.00 mi (6,075.27 km) |
| Howard to Clevedon | 3,741.68 mi (6,021.65 km) |
| Howard to Clifton | 3,754.99 mi (6,043.08 km) |
| Howard to Clifton | 3,722.54 mi (5,990.85 km) |
| Howard to Cliftonville | 3,902.20 mi (6,279.99 km) |
| Howard to Clitheroe | 3,679.29 mi (5,921.25 km) |
| Howard to Clydebank | 3,545.72 mi (5,706.29 km) |
| Howard to Coalville | 3,753.98 mi (6,041.45 km) |
| Howard to Coatbridge | 3,559.94 mi (5,729.18 km) |
| Howard to Cobham | 3,837.08 mi (6,175.19 km) |
