| The Dalles to Cortona | 5,656.98 mi (9,104.03 km) |
| The Dalles to Cosenza | 6,005.05 mi (9,664.20 km) |
| The Dalles to Cossato | 5,422.51 mi (8,726.69 km) |
| The Dalles to Costa Volpino | 5,457.93 mi (8,783.69 km) |
| The Dalles to Creazzo | 5,510.72 mi (8,868.64 km) |
| The Dalles to Crema | 5,474.17 mi (8,809.83 km) |
| The Dalles to Cremona | 5,496.92 mi (8,846.43 km) |
| The Dalles to Crevalcore | 5,550.27 mi (8,932.30 km) |
| The Dalles to Crispiano | 5,950.22 mi (9,575.95 km) |
| The Dalles to Crosia | 6,001.81 mi (9,658.98 km) |
| The Dalles to Crotone | 6,040.08 mi (9,720.57 km) |
| The Dalles to Cuneo | 5,473.90 mi (8,809.38 km) |
| The Dalles to Cuorgne | 5,418.81 mi (8,720.73 km) |
| The Dalles to Cusano Milanino | 5,450.41 mi (8,771.59 km) |
| The Dalles to Cutro | 6,039.81 mi (9,720.13 km) |
