| Roman to Cloverly (Maryland) | 4,873.54 mi (7,843.20 km) |
| Roman to Clovis (California) | 6,291.74 mi (10,125.58 km) |
| Roman to Clovis (New Mexico) | 6,019.70 mi (9,687.77 km) |
| Roman to Clute (Texas) | 6,079.29 mi (9,783.67 km) |
| Roman to Coachella (California) | 6,412.43 mi (10,319.81 km) |
| Roman to Coalinga (California) | 6,348.98 mi (10,217.70 km) |
| Roman to Coamo (Puerto Rico) | 5,464.17 mi (8,793.73 km) |
| Roman to Coatesville (Pennsylvania) | 4,786.18 mi (7,702.61 km) |
| Roman to Cockeysville (Maryland) | 4,841.26 mi (7,791.25 km) |
| Roman to Cocoa (Florida) | 5,563.76 mi (8,954.01 km) |
| Roman to Cocoa Beach (Florida) | 5,560.70 mi (8,949.08 km) |
| Roman to Coconut Creek (Florida) | 5,649.31 mi (9,091.69 km) |
| Roman to Coeur d'Alene (Idaho) | 5,542.66 mi (8,920.06 km) |
| Roman to Cohoes (New York) | 4,573.91 mi (7,361.00 km) |
| Roman to Cold Springs (Nevada) | 6,114.17 mi (9,839.80 km) |
