| Penafiel to Alum Rock (California) | 5,578.09 mi (8,977.07 km) |
| Penafiel to Alvin (Texas) | 4,771.29 mi (7,678.65 km) |
| Penafiel to Amarillo (Texas) | 4,837.97 mi (7,785.96 km) |
| Penafiel to Amelia (Ohio) | 3,880.52 mi (6,245.09 km) |
| Penafiel to American Canyon (California) | 5,554.57 mi (8,939.22 km) |
| Penafiel to American Fork (Utah) | 5,041.76 mi (8,113.93 km) |
| Penafiel to Americus (Georgia) | 4,124.18 mi (6,637.22 km) |
| Penafiel to Ames (Iowa) | 4,207.27 mi (6,770.95 km) |
| Penafiel to Amherst (Ohio) | 3,711.71 mi (5,973.43 km) |
| Penafiel to Ammon (Idaho) | 4,911.35 mi (7,904.05 km) |
| Penafiel to Amsterdam (New York) | 3,292.49 mi (5,298.75 km) |
| Penafiel to Anacortes (Washington) | 5,062.97 mi (8,148.07 km) |
| Penafiel to Anaheim (California) | 5,592.32 mi (8,999.97 km) |
| Penafiel to Anchorage (Alaska) | 5,030.46 mi (8,095.74 km) |
| Penafiel to Anderson (California) | 5,443.76 mi (8,760.88 km) |
