| Povoa de Santa Iria to Castle Rock (Colorado) | 4,856.00 mi (7,814.97 km) |
| Povoa de Santa Iria to Castro Valley (California) | 5,649.78 mi (9,092.44 km) |
| Povoa de Santa Iria to Catalina Foothills (Arizona) | 5,418.98 mi (8,721.00 km) |
| Povoa de Santa Iria to Cataño (Puerto Rico) | 3,671.18 mi (5,908.19 km) |
| Povoa de Santa Iria to Cathedral City (California) | 5,598.25 mi (9,009.51 km) |
| Povoa de Santa Iria to Catonsville (Maryland) | 3,539.98 mi (5,697.04 km) |
| Povoa de Santa Iria to Cave Spring (Virginia) | 3,758.96 mi (6,049.46 km) |
| Povoa de Santa Iria to Cayce (South Carolina) | 3,911.72 mi (6,295.31 km) |
| Povoa de Santa Iria to Cayey (Puerto Rico) | 3,685.08 mi (5,930.56 km) |
| Povoa de Santa Iria to Cedar City (Utah) | 5,282.57 mi (8,501.47 km) |
| Povoa de Santa Iria to Cedar Falls (Iowa) | 4,190.38 mi (6,743.77 km) |
| Povoa de Santa Iria to Cedar Hill (Texas) | 4,751.89 mi (7,647.44 km) |
| Povoa de Santa Iria to Cedar Lake (Indiana) | 3,995.40 mi (6,429.98 km) |
| Povoa de Santa Iria to Cedar Mill (Oregon) | 5,306.61 mi (8,540.16 km) |
| Povoa de Santa Iria to Cedar Park (Texas) | 4,873.72 mi (7,843.49 km) |
