| Povoa de Santa Iria to Cloverly (Maryland) | 3,556.89 mi (5,724.26 km) |
| Povoa de Santa Iria to Clovis (California) | 5,595.64 mi (9,005.31 km) |
| Povoa de Santa Iria to Clovis (New Mexico) | 4,976.24 mi (8,008.49 km) |
| Povoa de Santa Iria to Clute (Texas) | 4,811.15 mi (7,742.80 km) |
| Povoa de Santa Iria to Coachella (California) | 5,590.98 mi (8,997.81 km) |
| Povoa de Santa Iria to Coalinga (California) | 5,653.94 mi (9,099.14 km) |
| Povoa de Santa Iria to Coamo (Puerto Rico) | 3,697.37 mi (5,950.33 km) |
| Povoa de Santa Iria to Coatesville (Pennsylvania) | 3,475.79 mi (5,593.74 km) |
| Povoa de Santa Iria to Cockeysville (Maryland) | 3,528.71 mi (5,678.91 km) |
| Povoa de Santa Iria to Cocoa (Florida) | 4,084.17 mi (6,572.84 km) |
| Povoa de Santa Iria to Cocoa Beach (Florida) | 4,078.56 mi (6,563.81 km) |
| Povoa de Santa Iria to Coconut Creek (Florida) | 4,128.27 mi (6,643.81 km) |
| Povoa de Santa Iria to Coeur d'Alene (Idaho) | 4,993.18 mi (8,035.74 km) |
| Povoa de Santa Iria to Cohoes (New York) | 3,306.95 mi (5,322.03 km) |
| Povoa de Santa Iria to Cold Springs (Nevada) | 5,474.11 mi (8,809.73 km) |
