| Rio Rico to Cortona | 6,138.30 mi (9,878.64 km) |
| Rio Rico to Cosenza | 6,489.35 mi (10,443.60 km) |
| Rio Rico to Cossato | 5,892.48 mi (9,483.02 km) |
| Rio Rico to Costa Volpino | 5,949.18 mi (9,574.28 km) |
| Rio Rico to Creazzo | 6,011.82 mi (9,675.08 km) |
| Rio Rico to Crema | 5,956.22 mi (9,585.61 km) |
| Rio Rico to Cremona | 5,979.67 mi (9,623.34 km) |
| Rio Rico to Crevalcore | 6,039.16 mi (9,719.08 km) |
| Rio Rico to Crispiano | 6,458.34 mi (10,393.69 km) |
| Rio Rico to Crosia | 6,494.50 mi (10,451.89 km) |
| Rio Rico to Crotone | 6,531.78 mi (10,511.89 km) |
| Rio Rico to Cuneo | 5,924.05 mi (9,533.84 km) |
| Rio Rico to Cuorgne | 5,881.82 mi (9,465.87 km) |
| Rio Rico to Cusano Milanino | 5,929.80 mi (9,543.09 km) |
| Rio Rico to Cutro | 6,529.51 mi (10,508.23 km) |
