| Knightdale to Cernavoda | 5,243.97 mi (8,439.36 km) |
| Knightdale to Chitila | 5,155.22 mi (8,296.53 km) |
| Knightdale to Cisnadie | 5,034.42 mi (8,102.12 km) |
| Knightdale to Cluj-Napoca | 4,971.40 mi (8,000.69 km) |
| Knightdale to Codlea | 5,086.48 mi (8,185.90 km) |
| Knightdale to Comanesti | 5,096.87 mi (8,202.61 km) |
| Knightdale to Comarnic | 5,111.74 mi (8,226.54 km) |
| Knightdale to Constanta | 5,274.82 mi (8,489.00 km) |
| Knightdale to Corabia | 5,124.44 mi (8,246.98 km) |
| Knightdale to Costesti | 5,104.46 mi (8,214.83 km) |
| Knightdale to Covasna | 5,109.68 mi (8,223.24 km) |
| Knightdale to Craiova | 5,074.44 mi (8,166.52 km) |
| Knightdale to Cristuru Secuiesc | 5,046.98 mi (8,122.33 km) |
| Knightdale to Cugir | 4,997.88 mi (8,043.31 km) |
| Knightdale to Cumpana | 5,274.00 mi (8,487.68 km) |
