| Formia to Castle Rock (Colorado) | 5,656.50 mi (9,103.26 km) |
| Formia to Castro Valley (California) | 6,305.56 mi (10,147.81 km) |
| Formia to Catalina Foothills (Arizona) | 6,247.54 mi (10,054.44 km) |
| Formia to Cataño (Puerto Rico) | 4,864.57 mi (7,828.78 km) |
| Formia to Cathedral City (California) | 6,355.93 mi (10,228.89 km) |
| Formia to Catonsville (Maryland) | 4,529.53 mi (7,289.57 km) |
| Formia to Cave Spring (Virginia) | 4,755.53 mi (7,653.28 km) |
| Formia to Cayce (South Carolina) | 4,938.71 mi (7,948.09 km) |
| Formia to Cayey (Puerto Rico) | 4,879.37 mi (7,852.58 km) |
| Formia to Cedar City (Utah) | 6,029.94 mi (9,704.24 km) |
| Formia to Cedar Falls (Iowa) | 5,043.67 mi (8,117.01 km) |
| Formia to Cedar Hill (Texas) | 5,692.01 mi (9,160.40 km) |
| Formia to Cedar Lake (Indiana) | 4,896.50 mi (7,880.16 km) |
| Formia to Cedar Mill (Oregon) | 5,864.28 mi (9,437.65 km) |
| Formia to Cedar Park (Texas) | 5,829.05 mi (9,380.95 km) |
