| Povoa de Santa Iria to Cicero (Illinois) | 3,996.12 mi (6,431.14 km) |
| Povoa de Santa Iria to Cimarron Hills (Colorado) | 4,869.51 mi (7,836.71 km) |
| Povoa de Santa Iria to Cincinnati (Ohio) | 3,922.82 mi (6,313.16 km) |
| Povoa de Santa Iria to Cinco Ranch (Texas) | 4,801.73 mi (7,727.65 km) |
| Povoa de Santa Iria to Circleville (Ohio) | 3,833.14 mi (6,168.85 km) |
| Povoa de Santa Iria to Citrus (California) | 5,646.54 mi (9,087.23 km) |
| Povoa de Santa Iria to Citrus Heights (California) | 5,572.44 mi (8,967.97 km) |
| Povoa de Santa Iria to Citrus Park (Florida) | 4,188.99 mi (6,741.53 km) |
| Povoa de Santa Iria to Claiborne (Louisiana) | 4,519.89 mi (7,274.06 km) |
| Povoa de Santa Iria to Claremont (California) | 5,638.68 mi (9,074.57 km) |
| Povoa de Santa Iria to Claremont (New Hampshire) | 3,228.28 mi (5,195.41 km) |
| Povoa de Santa Iria to Claremore (Oklahoma) | 4,548.41 mi (7,319.96 km) |
| Povoa de Santa Iria to Clarksburg (Maryland) | 3,566.89 mi (5,740.36 km) |
| Povoa de Santa Iria to Clarksburg (West Virginia) | 3,715.39 mi (5,979.35 km) |
| Povoa de Santa Iria to Clarksdale (Mississippi) | 4,380.28 mi (7,049.38 km) |
