| Knightdale to Cabestany | 4,212.80 mi (6,779.84 km) |
| Knightdale to Cabries | 4,303.97 mi (6,926.57 km) |
| Knightdale to Cachan | 4,029.60 mi (6,485.02 km) |
| Knightdale to Caen | 3,905.00 mi (6,284.49 km) |
| Knightdale to Cagnes-sur-Mer | 4,377.94 mi (7,045.62 km) |
| Knightdale to Cahors | 4,096.45 mi (6,592.60 km) |
| Knightdale to Calais | 3,961.09 mi (6,374.76 km) |
| Knightdale to Caluire-et-Cuire | 4,214.77 mi (6,783.01 km) |
| Knightdale to Cambrai | 4,035.61 mi (6,494.68 km) |
| Knightdale to Canet-en-Roussillon | 4,215.11 mi (6,783.56 km) |
| Knightdale to Cannes | 4,375.11 mi (7,041.05 km) |
| Knightdale to Canteleu | 3,959.30 mi (6,371.87 km) |
| Knightdale to Capbreton | 3,983.53 mi (6,410.87 km) |
| Knightdale to Carcassonne | 4,170.84 mi (6,712.32 km) |
| Knightdale to Carmaux | 4,139.69 mi (6,662.19 km) |
