| Roman to Clarkston (Georgia) | 5,414.81 mi (8,714.29 km) |
| Roman to Clarksville (Indiana) | 5,233.41 mi (8,422.36 km) |
| Roman to Clarksville (Tennessee) | 5,381.67 mi (8,660.96 km) |
| Roman to Clawson (Michigan) | 4,924.26 mi (7,924.83 km) |
| Roman to Clay (Alabama) | 5,508.51 mi (8,865.08 km) |
| Roman to Clayton (California) | 6,265.13 mi (10,082.76 km) |
| Roman to Clayton (Missouri) | 5,373.13 mi (8,647.21 km) |
| Roman to Clayton (North Carolina) | 5,100.25 mi (8,208.06 km) |
| Roman to Clayton (Ohio) | 5,102.16 mi (8,211.13 km) |
| Roman to Clearfield (Utah) | 5,853.00 mi (9,419.50 km) |
| Roman to Clearlake (California) | 6,212.50 mi (9,998.05 km) |
| Roman to Clearwater (Florida) | 5,664.33 mi (9,115.85 km) |
| Roman to Cleburne (Texas) | 5,958.85 mi (9,589.84 km) |
| Roman to Clemmons (North Carolina) | 5,155.23 mi (8,296.53 km) |
| Roman to Clemson (South Carolina) | 5,315.87 mi (8,555.06 km) |
