| Penafiel to Commerce City (Colorado) | 4,776.26 mi (7,686.64 km) |
| Penafiel to Compton (California) | 5,604.94 mi (9,020.27 km) |
| Penafiel to Comstock Park (Michigan) | 3,819.08 mi (6,146.22 km) |
| Penafiel to Concord (California) | 5,555.09 mi (8,940.05 km) |
| Penafiel to Concord (Missouri) | 4,184.88 mi (6,734.91 km) |
| Penafiel to Concord (New Hampshire) | 3,161.39 mi (5,087.77 km) |
| Penafiel to Concord (North Carolina) | 3,829.54 mi (6,163.05 km) |
| Penafiel to Conneaut (Ohio) | 3,618.69 mi (5,823.72 km) |
| Penafiel to Connersville (Indiana) | 3,902.85 mi (6,281.03 km) |
| Penafiel to Conroe (Texas) | 4,742.06 mi (7,631.61 km) |
| Penafiel to Converse (Texas) | 4,911.33 mi (7,904.02 km) |
| Penafiel to Conway (Arkansas) | 4,410.63 mi (7,098.23 km) |
| Penafiel to Conway (Florida) | 4,113.09 mi (6,619.38 km) |
| Penafiel to Conway (South Carolina) | 3,803.97 mi (6,121.90 km) |
| Penafiel to Conyers (Georgia) | 4,054.91 mi (6,525.75 km) |
