| Tucson Mountains to Cortona | 6,098.45 mi (9,814.51 km) |
| Tucson Mountains to Cosenza | 6,449.80 mi (10,379.94 km) |
| Tucson Mountains to Cossato | 5,852.76 mi (9,419.10 km) |
| Tucson Mountains to Costa Volpino | 5,908.74 mi (9,509.20 km) |
| Tucson Mountains to Creazzo | 5,971.09 mi (9,609.54 km) |
| Tucson Mountains to Crema | 5,916.13 mi (9,521.09 km) |
| Tucson Mountains to Cremona | 5,939.58 mi (9,558.82 km) |
| Tucson Mountains to Crevalcore | 5,998.91 mi (9,654.31 km) |
| Tucson Mountains to Crispiano | 6,417.86 mi (10,328.54 km) |
| Tucson Mountains to Crosia | 6,454.64 mi (10,387.74 km) |
| Tucson Mountains to Crotone | 6,492.00 mi (10,447.86 km) |
| Tucson Mountains to Cuneo | 5,885.11 mi (9,471.17 km) |
| Tucson Mountains to Cuorgne | 5,842.34 mi (9,402.34 km) |
| Tucson Mountains to Cusano Milanino | 5,889.77 mi (9,478.68 km) |
| Tucson Mountains to Cutro | 6,489.80 mi (10,444.32 km) |
