| Civitavecchia to Commerce City (Colorado) | 5,524.71 mi (8,891.15 km) |
| Civitavecchia to Compton (California) | 6,306.52 mi (10,149.37 km) |
| Civitavecchia to Comstock Park (Michigan) | 4,645.14 mi (7,475.63 km) |
| Civitavecchia to Concord (California) | 6,188.12 mi (9,958.81 km) |
| Civitavecchia to Concord (Missouri) | 5,032.15 mi (8,098.46 km) |
| Civitavecchia to Concord (New Hampshire) | 4,045.60 mi (6,510.76 km) |
| Civitavecchia to Concord (North Carolina) | 4,749.55 mi (7,643.66 km) |
| Civitavecchia to Conneaut (Ohio) | 4,479.96 mi (7,209.80 km) |
| Civitavecchia to Connersville (Indiana) | 4,765.44 mi (7,669.23 km) |
| Civitavecchia to Conroe (Texas) | 5,629.46 mi (9,059.75 km) |
| Civitavecchia to Converse (Texas) | 5,789.11 mi (9,316.67 km) |
| Civitavecchia to Conway (Arkansas) | 5,276.89 mi (8,492.34 km) |
| Civitavecchia to Conway (Florida) | 5,077.41 mi (8,171.31 km) |
| Civitavecchia to Conway (South Carolina) | 4,742.35 mi (7,632.08 km) |
| Civitavecchia to Conyers (Georgia) | 4,973.67 mi (8,004.36 km) |
