| Povoa de Santa Iria to Corinth (Mississippi) | 4,252.98 mi (6,844.51 km) |
| Povoa de Santa Iria to Corinth (Texas) | 4,735.83 mi (7,621.58 km) |
| Povoa de Santa Iria to Cornelius (North Carolina) | 3,855.58 mi (6,204.95 km) |
| Povoa de Santa Iria to Cornelius (Oregon) | 5,316.26 mi (8,555.69 km) |
| Povoa de Santa Iria to Corning (New York) | 3,482.29 mi (5,604.20 km) |
| Povoa de Santa Iria to Corona (California) | 5,644.41 mi (9,083.80 km) |
| Povoa de Santa Iria to Coronado (California) | 5,681.96 mi (9,144.24 km) |
| Povoa de Santa Iria to Corpus Christi (Texas) | 4,961.19 mi (7,984.26 km) |
| Povoa de Santa Iria to Corsicana (Texas) | 4,746.85 mi (7,639.32 km) |
| Povoa de Santa Iria to Cortland (New York) | 3,429.46 mi (5,519.18 km) |
| Povoa de Santa Iria to Corvallis (Oregon) | 5,369.24 mi (8,640.96 km) |
| Povoa de Santa Iria to Coshocton (Ohio) | 3,762.08 mi (6,054.49 km) |
| Povoa de Santa Iria to Costa Mesa (California) | 5,668.31 mi (9,122.26 km) |
| Povoa de Santa Iria to Coto de Caza (California) | 5,657.54 mi (9,104.93 km) |
| Povoa de Santa Iria to Cottage Grove (Minnesota) | 4,139.47 mi (6,661.83 km) |
