| Knightdale to Campo de Criptana | 4,009.73 mi (6,453.04 km) |
| Knightdale to Campos del Puerto | 4,308.79 mi (6,934.32 km) |
| Knightdale to Canals | 4,146.39 mi (6,672.97 km) |
| Knightdale to Candelaria | 3,613.73 mi (5,815.74 km) |
| Knightdale to Canet de Mar | 4,226.09 mi (6,801.23 km) |
| Knightdale to Cangas | 3,663.76 mi (5,896.26 km) |
| Knightdale to Cangas de Narcea | 3,752.67 mi (6,039.33 km) |
| Knightdale to Canovellas | 4,211.10 mi (6,777.11 km) |
| Knightdale to Canteras | 4,161.47 mi (6,697.24 km) |
| Knightdale to Cantillana | 3,921.67 mi (6,311.32 km) |
| Knightdale to Capdepera | 4,320.84 mi (6,953.72 km) |
| Knightdale to Carballo | 3,648.81 mi (5,872.19 km) |
| Knightdale to Carcagente | 4,148.61 mi (6,676.55 km) |
| Knightdale to Cardedeu | 4,214.15 mi (6,782.02 km) |
| Knightdale to Carlet | 4,142.19 mi (6,666.20 km) |
