| Diamond Springs to Corato | 6,298.14 mi (10,135.88 km) |
| Diamond Springs to Corbetta | 5,839.55 mi (9,397.84 km) |
| Diamond Springs to Corciano | 6,067.73 mi (9,765.06 km) |
| Diamond Springs to Cordenons | 5,917.42 mi (9,523.17 km) |
| Diamond Springs to Cori | 6,170.67 mi (9,930.74 km) |
| Diamond Springs to Coriano | 6,029.38 mi (9,703.36 km) |
| Diamond Springs to Corigliano Calabro | 6,392.24 mi (10,287.31 km) |
| Diamond Springs to Corleone | 6,400.97 mi (10,301.37 km) |
| Diamond Springs to Cormano | 5,842.23 mi (9,402.17 km) |
| Diamond Springs to Cornaredo | 5,841.11 mi (9,400.36 km) |
| Diamond Springs to Cornate d'Adda | 5,845.39 mi (9,407.25 km) |
| Diamond Springs to Cornedo Vicentino | 5,900.85 mi (9,496.50 km) |
| Diamond Springs to Correggio | 5,932.27 mi (9,547.07 km) |
| Diamond Springs to Corridonia | 6,096.13 mi (9,810.77 km) |
| Diamond Springs to Corsico | 5,847.22 mi (9,410.20 km) |
