| Knightdale to Cervignano del Friuli | 4,583.39 mi (7,376.25 km) |
| Knightdale to Cesa | 4,784.86 mi (7,700.49 km) |
| Knightdale to Cesano Maderno | 4,408.62 mi (7,094.98 km) |
| Knightdale to Cesena | 4,590.39 mi (7,387.52 km) |
| Knightdale to Cesenatico | 4,595.00 mi (7,394.93 km) |
| Knightdale to Cetraro | 4,914.40 mi (7,908.96 km) |
| Knightdale to Cherasco | 4,381.19 mi (7,050.84 km) |
| Knightdale to Chiampo | 4,503.93 mi (7,248.37 km) |
| Knightdale to Chiaravalle | 4,655.78 mi (7,492.75 km) |
| Knightdale to Chiari | 4,444.10 mi (7,152.08 km) |
| Knightdale to Chiavari | 4,456.33 mi (7,171.77 km) |
| Knightdale to Chieri | 4,368.57 mi (7,030.54 km) |
| Knightdale to Chieti | 4,734.51 mi (7,619.46 km) |
| Knightdale to Chioggia | 4,557.34 mi (7,334.33 km) |
| Knightdale to Chiusi | 4,613.65 mi (7,424.95 km) |
