| Roman to Caguas (Puerto Rico) | 5,441.62 mi (8,757.44 km) |
| Roman to Cahokia (Illinois) | 5,372.36 mi (8,645.97 km) |
| Roman to Calabasas (California) | 6,441.85 mi (10,367.15 km) |
| Roman to Caldwell (Idaho) | 5,795.96 mi (9,327.69 km) |
| Roman to Caledonia (Wisconsin) | 5,069.71 mi (8,158.91 km) |
| Roman to Calera (Alabama) | 5,543.88 mi (8,922.01 km) |
| Roman to Calexico (California) | 6,460.15 mi (10,396.60 km) |
| Roman to Calhoun (Georgia) | 5,404.99 mi (8,698.50 km) |
| Roman to California (Maryland) | 4,894.18 mi (7,876.42 km) |
| Roman to California City (California) | 6,359.27 mi (10,234.25 km) |
| Roman to Callaway (Florida) | 5,658.89 mi (9,107.11 km) |
| Roman to Calumet City (Illinois) | 5,121.41 mi (8,242.11 km) |
| Roman to Calverton (Maryland) | 4,874.01 mi (7,843.97 km) |
| Roman to Camano (Washington) | 5,612.00 mi (9,031.64 km) |
| Roman to Camarillo (California) | 6,444.38 mi (10,371.23 km) |
