| Arecibo to Cicero (Illinois) | 2,035.01 mi (3,275.03 km) |
| Arecibo to Cimarron Hills (Colorado) | 2,670.69 mi (4,298.05 km) |
| Arecibo to Cincinnati (Ohio) | 1,781.86 mi (2,867.63 km) |
| Arecibo to Cinco Ranch (Texas) | 1,982.35 mi (3,190.28 km) |
| Arecibo to Circleville (Ohio) | 1,752.59 mi (2,820.52 km) |
| Arecibo to Citrus (California) | 3,311.15 mi (5,328.79 km) |
| Arecibo to Citrus Heights (California) | 3,534.23 mi (5,687.80 km) |
| Arecibo to Citrus Park (Florida) | 1,202.67 mi (1,935.50 km) |
| Arecibo to Claiborne (Louisiana) | 1,854.56 mi (2,984.62 km) |
| Arecibo to Claremont (California) | 3,301.33 mi (5,312.97 km) |
| Arecibo to Claremont (New Hampshire) | 1,753.12 mi (2,821.37 km) |
| Arecibo to Claremore (Oklahoma) | 2,144.89 mi (3,451.87 km) |
| Arecibo to Clarksburg (Maryland) | 1,567.70 mi (2,522.96 km) |
| Arecibo to Clarksburg (West Virginia) | 1,653.27 mi (2,660.68 km) |
| Arecibo to Clarksdale (Mississippi) | 1,825.17 mi (2,937.32 km) |
