| Penafiel to San Luis Obispo (California) | 5,636.61 mi (9,071.25 km) |
| Penafiel to San Marcos (California) | 5,597.80 mi (9,008.79 km) |
| Penafiel to San Marcos (Texas) | 4,878.29 mi (7,850.84 km) |
| Penafiel to San Marino (California) | 5,589.19 mi (8,994.93 km) |
| Penafiel to San Mateo (California) | 5,587.72 mi (8,992.56 km) |
| Penafiel to San Pablo (California) | 5,568.50 mi (8,961.64 km) |
| Penafiel to San Rafael (California) | 5,573.94 mi (8,970.39 km) |
| Penafiel to San Ramon (California) | 5,562.98 mi (8,952.75 km) |
| Penafiel to San Tan Valley (Arizona) | 5,357.01 mi (8,621.28 km) |
| Penafiel to Sand Springs (Oklahoma) | 4,540.24 mi (7,306.81 km) |
| Penafiel to Sandusky (Ohio) | 3,732.27 mi (6,006.50 km) |
| Penafiel to Sandy (Oregon) | 5,200.50 mi (8,369.39 km) |
| Penafiel to Sandy (Utah) | 5,035.41 mi (8,103.72 km) |
| Penafiel to Sandy Springs (Georgia) | 4,063.43 mi (6,539.46 km) |
| Penafiel to Sanford (Florida) | 4,099.17 mi (6,596.98 km) |
