| Rio Rico to Castle Pines (Colorado) | 648.82 mi (1,044.17 km) |
| Rio Rico to Castle Rock (Colorado) | 644.39 mi (1,037.05 km) |
| Rio Rico to Castro Valley (California) | 761.31 mi (1,225.21 km) |
| Rio Rico to Catalina Foothills (Arizona) | 56.23 mi (90.49 km) |
| Rio Rico to Cataño (Puerto Rico) | 2,927.73 mi (4,711.72 km) |
| Rio Rico to Cathedral City (California) | 357.12 mi (574.73 km) |
| Rio Rico to Catonsville (Maryland) | 1,989.40 mi (3,201.63 km) |
| Rio Rico to Cave Spring (Virginia) | 1,802.31 mi (2,900.55 km) |
| Rio Rico to Cayce (South Carolina) | 1,742.76 mi (2,804.70 km) |
| Rio Rico to Cayey (Puerto Rico) | 2,936.74 mi (4,726.22 km) |
| Rio Rico to Cedar City (Utah) | 443.97 mi (714.50 km) |
| Rio Rico to Cedar Falls (Iowa) | 1,270.40 mi (2,044.50 km) |
| Rio Rico to Cedar Hill (Texas) | 824.51 mi (1,326.92 km) |
| Rio Rico to Cedar Lake (Indiana) | 1,469.49 mi (2,364.91 km) |
| Rio Rico to Cedar Mill (Oregon) | 1,158.57 mi (1,864.54 km) |
