| Penafiel to Portage (Michigan) | 3,841.55 mi (6,182.38 km) |
| Penafiel to Portage (Wisconsin) | 3,972.08 mi (6,392.45 km) |
| Penafiel to Portales (New Mexico) | 4,949.72 mi (7,965.81 km) |
| Penafiel to Porterville (California) | 5,532.69 mi (8,904.01 km) |
| Penafiel to Portland (Maine) | 3,090.16 mi (4,973.13 km) |
| Penafiel to Portland (Oregon) | 5,206.84 mi (8,379.59 km) |
| Penafiel to Portland (Tennessee) | 4,072.91 mi (6,554.71 km) |
| Penafiel to Portland (Texas) | 4,931.86 mi (7,937.06 km) |
| Penafiel to Portsmouth (New Hampshire) | 3,128.75 mi (5,035.23 km) |
| Penafiel to Portsmouth (Ohio) | 3,829.04 mi (6,162.24 km) |
| Penafiel to Portsmouth (Virginia) | 3,571.51 mi (5,747.78 km) |
| Penafiel to Post Falls (Idaho) | 4,905.83 mi (7,895.17 km) |
| Penafiel to Potomac (Maryland) | 3,545.48 mi (5,705.90 km) |
| Penafiel to Potomac Park (California) | 5,563.84 mi (8,954.13 km) |
| Penafiel to Pottstown (Pennsylvania) | 3,434.49 mi (5,527.27 km) |
