| Knightdale to Castelfidardo | 4,669.63 mi (7,515.05 km) |
| Knightdale to Castelfiorentino | 4,551.15 mi (7,324.37 km) |
| Knightdale to Castelfranco di Sopra | 4,576.67 mi (7,365.44 km) |
| Knightdale to Castelfranco di Sotto | 4,538.36 mi (7,303.78 km) |
| Knightdale to Castelfranco Emilia | 4,523.58 mi (7,280.00 km) |
| Knightdale to Castelfranco Veneto | 4,528.33 mi (7,287.64 km) |
| Knightdale to Castellabate | 4,841.39 mi (7,791.47 km) |
| Knightdale to Castellammare del Golfo | 4,824.34 mi (7,764.02 km) |
| Knightdale to Castellammare di Stabia | 4,805.45 mi (7,733.63 km) |
| Knightdale to Castellamonte | 4,353.02 mi (7,005.51 km) |
| Knightdale to Castellana Grotte | 4,919.44 mi (7,917.08 km) |
| Knightdale to Castellaneta | 4,918.04 mi (7,914.83 km) |
| Knightdale to Castellanza | 4,398.30 mi (7,078.39 km) |
| Knightdale to Castellarano | 4,512.69 mi (7,262.47 km) |
| Knightdale to Castelleone | 4,445.51 mi (7,154.36 km) |
