| Euclid to Corato | 4,763.85 mi (7,666.67 km) |
| Euclid to Corbetta | 4,285.01 mi (6,896.06 km) |
| Euclid to Corciano | 4,512.75 mi (7,262.58 km) |
| Euclid to Cordenons | 4,418.62 mi (7,111.09 km) |
| Euclid to Cori | 4,598.31 mi (7,400.26 km) |
| Euclid to Coriano | 4,493.01 mi (7,230.80 km) |
| Euclid to Corigliano Calabro | 4,834.23 mi (7,779.94 km) |
| Euclid to Corleone | 4,771.68 mi (7,679.28 km) |
| Euclid to Cormano | 4,292.19 mi (6,907.62 km) |
| Euclid to Cornaredo | 4,288.57 mi (6,901.79 km) |
| Euclid to Cornate d'Adda | 4,300.77 mi (6,921.42 km) |
| Euclid to Cornedo Vicentino | 4,378.48 mi (7,046.47 km) |
| Euclid to Correggio | 4,387.53 mi (7,061.05 km) |
| Euclid to Corridonia | 4,558.98 mi (7,336.96 km) |
| Euclid to Corsico | 4,294.44 mi (6,911.24 km) |
