| South Euclid to Cortona | 4,497.91 mi (7,238.69 km) |
| South Euclid to Cosenza | 4,838.65 mi (7,787.05 km) |
| South Euclid to Cossato | 4,253.54 mi (6,845.41 km) |
| South Euclid to Costa Volpino | 4,322.88 mi (6,957.00 km) |
| South Euclid to Creazzo | 4,390.12 mi (7,065.21 km) |
| South Euclid to Crema | 4,323.15 mi (6,957.44 km) |
| South Euclid to Cremona | 4,346.19 mi (6,994.51 km) |
| South Euclid to Crevalcore | 4,407.66 mi (7,093.45 km) |
| South Euclid to Crispiano | 4,824.52 mi (7,764.32 km) |
| South Euclid to Crosia | 4,849.05 mi (7,803.80 km) |
| South Euclid to Crotone | 4,884.41 mi (7,860.69 km) |
| South Euclid to Cuneo | 4,270.94 mi (6,873.41 km) |
| South Euclid to Cuorgne | 4,238.60 mi (6,821.36 km) |
| South Euclid to Cusano Milanino | 4,295.90 mi (6,913.59 km) |
| South Euclid to Cutro | 4,880.92 mi (7,855.08 km) |
