| Humacao to Somersworth (New Hampshire) | 1,759.39 mi (2,831.47 km) |
| Humacao to Somerton (Arizona) | 3,180.18 mi (5,118.01 km) |
| Humacao to Somerville (Massachusetts) | 1,703.24 mi (2,741.09 km) |
| Humacao to Somerville (New Jersey) | 1,634.64 mi (2,630.70 km) |
| Humacao to Sonoma (California) | 3,655.20 mi (5,882.47 km) |
| Humacao to Soquel (California) | 3,618.96 mi (5,824.15 km) |
| Humacao to South Bend (Indiana) | 2,023.68 mi (3,256.80 km) |
| Humacao to South Bradenton (Florida) | 1,244.33 mi (2,002.56 km) |
| Humacao to South Burlington (Vermont) | 1,867.67 mi (3,005.73 km) |
| Humacao to South Charleston (West Virginia) | 1,691.90 mi (2,722.86 km) |
| Humacao to South Daytona (Florida) | 1,223.62 mi (1,969.22 km) |
| Humacao to South El Monte (California) | 3,382.30 mi (5,443.28 km) |
| Humacao to South Elgin (Illinois) | 2,112.57 mi (3,399.85 km) |
| Humacao to South Euclid (Ohio) | 1,862.15 mi (2,996.83 km) |
| Humacao to South Farmingdale (New York) | 1,623.59 mi (2,612.92 km) |
