| Happy Valley to Cortona | 5,700.95 mi (9,174.79 km) |
| Happy Valley to Cosenza | 6,048.30 mi (9,733.80 km) |
| Happy Valley to Cossato | 5,467.41 mi (8,798.95 km) |
| Happy Valley to Costa Volpino | 5,501.74 mi (8,854.20 km) |
| Happy Valley to Creazzo | 5,553.95 mi (8,938.22 km) |
| Happy Valley to Crema | 5,518.41 mi (8,881.02 km) |
| Happy Valley to Cremona | 5,541.08 mi (8,917.50 km) |
| Happy Valley to Crevalcore | 5,594.05 mi (9,002.75 km) |
| Happy Valley to Crispiano | 5,992.37 mi (9,643.78 km) |
| Happy Valley to Crosia | 6,044.64 mi (9,727.92 km) |
| Happy Valley to Crotone | 6,082.90 mi (9,789.48 km) |
| Happy Valley to Cuneo | 5,519.64 mi (8,883.01 km) |
| Happy Valley to Cuorgne | 5,464.05 mi (8,793.54 km) |
| Happy Valley to Cusano Milanino | 5,494.81 mi (8,843.05 km) |
| Happy Valley to Cutro | 6,082.73 mi (9,789.21 km) |
