| Povoa de Santa Iria to Cookeville (Tennessee) | 4,065.04 mi (6,542.06 km) |
| Povoa de Santa Iria to Coolidge (Arizona) | 5,420.52 mi (8,723.48 km) |
| Povoa de Santa Iria to Coon Rapids (Minnesota) | 4,145.08 mi (6,670.86 km) |
| Povoa de Santa Iria to Cooper City (Florida) | 4,142.12 mi (6,666.09 km) |
| Povoa de Santa Iria to Coos Bay (Oregon) | 5,460.45 mi (8,787.74 km) |
| Povoa de Santa Iria to Copiague (New York) | 3,339.42 mi (5,374.28 km) |
| Povoa de Santa Iria to Coppell (Texas) | 4,738.86 mi (7,626.46 km) |
| Povoa de Santa Iria to Copperas Cove (Texas) | 4,854.66 mi (7,812.82 km) |
| Povoa de Santa Iria to Coral Gables (Florida) | 4,153.77 mi (6,684.85 km) |
| Povoa de Santa Iria to Coral Springs (Florida) | 4,132.59 mi (6,650.76 km) |
| Povoa de Santa Iria to Coral Terrace (Florida) | 4,153.99 mi (6,685.20 km) |
| Povoa de Santa Iria to Coralville (Iowa) | 4,177.54 mi (6,723.10 km) |
| Povoa de Santa Iria to Coram (New York) | 3,315.47 mi (5,335.74 km) |
| Povoa de Santa Iria to Corcoran (California) | 5,625.33 mi (9,053.10 km) |
| Povoa de Santa Iria to Cordele (Georgia) | 4,116.21 mi (6,624.40 km) |
