| Penafiel to Somersworth (New Hampshire) | 3,129.00 mi (5,035.64 km) |
| Penafiel to Somerton (Arizona) | 5,518.74 mi (8,881.56 km) |
| Penafiel to Somerville (Massachusetts) | 3,160.03 mi (5,085.57 km) |
| Penafiel to Somerville (New Jersey) | 3,375.78 mi (5,432.79 km) |
| Penafiel to Sonoma (California) | 5,556.71 mi (8,942.65 km) |
| Penafiel to Soquel (California) | 5,601.26 mi (9,014.35 km) |
| Penafiel to South Bend (Indiana) | 3,889.20 mi (6,259.06 km) |
| Penafiel to South Bradenton (Florida) | 4,216.29 mi (6,785.47 km) |
| Penafiel to South Burlington (Vermont) | 3,209.88 mi (5,165.80 km) |
| Penafiel to South Charleston (West Virginia) | 3,783.84 mi (6,089.51 km) |
| Penafiel to South Daytona (Florida) | 4,071.28 mi (6,552.09 km) |
| Penafiel to South El Monte (California) | 5,590.05 mi (8,996.32 km) |
| Penafiel to South Elgin (Illinois) | 3,971.74 mi (6,391.90 km) |
| Penafiel to South Euclid (Ohio) | 3,675.19 mi (5,914.64 km) |
| Penafiel to South Farmingdale (New York) | 3,315.84 mi (5,336.34 km) |
