| Killingworth to Carmignano | 955.91 mi (1,538.39 km) |
| Killingworth to Carovigno | 1,323.25 mi (2,129.56 km) |
| Killingworth to Carpenedolo | 850.31 mi (1,368.45 km) |
| Killingworth to Carpi | 895.99 mi (1,441.95 km) |
| Killingworth to Carrara | 916.94 mi (1,475.68 km) |
| Killingworth to Carugate | 810.56 mi (1,304.47 km) |
| Killingworth to Casal di Principe | 1,203.80 mi (1,937.33 km) |
| Killingworth to Casale Monferrato | 813.56 mi (1,309.30 km) |
| Killingworth to Casale sul Sile | 891.37 mi (1,434.52 km) |
| Killingworth to Casalecchio di Reno | 924.12 mi (1,487.22 km) |
| Killingworth to Casalgrande | 903.56 mi (1,454.15 km) |
| Killingworth to Casalmaggiore | 871.72 mi (1,402.90 km) |
| Killingworth to Casalnuovo di Napoli | 1,215.57 mi (1,956.27 km) |
| Killingworth to Casalpusterlengo | 840.51 mi (1,352.68 km) |
| Killingworth to Casaluce | 1,206.59 mi (1,941.82 km) |
