| Knightdale to Cromer | 3,897.58 mi (6,272.56 km) |
| Knightdale to Crosby | 3,714.33 mi (5,977.64 km) |
| Knightdale to Crowborough | 3,888.45 mi (6,257.86 km) |
| Knightdale to Croxley Green | 3,851.83 mi (6,198.92 km) |
| Knightdale to Croydon | 3,871.02 mi (6,229.80 km) |
| Knightdale to Cudworth | 3,777.43 mi (6,079.19 km) |
| Knightdale to Culcheth | 3,735.41 mi (6,011.56 km) |
| Knightdale to Cullercoats | 3,752.79 mi (6,039.54 km) |
| Knightdale to Cumbernauld | 3,641.64 mi (5,860.66 km) |
| Knightdale to Cumnock | 3,637.69 mi (5,854.30 km) |
| Knightdale to Cupar | 3,673.92 mi (5,912.60 km) |
| Knightdale to Cwmbran | 3,745.25 mi (6,027.39 km) |
| Knightdale to Dagenham | 3,878.10 mi (6,241.20 km) |
| Knightdale to Dalkeith | 3,677.85 mi (5,918.92 km) |
| Knightdale to Darfield | 3,779.46 mi (6,082.46 km) |
