| Humacao to San Luis Obispo (California) | 3,537.81 mi (5,693.55 km) |
| Humacao to San Marcos (California) | 3,326.65 mi (5,353.72 km) |
| Humacao to San Marcos (Texas) | 2,173.23 mi (3,497.48 km) |
| Humacao to San Marino (California) | 3,386.44 mi (5,449.95 km) |
| Humacao to San Mateo (California) | 3,642.32 mi (5,861.74 km) |
| Humacao to San Pablo (California) | 3,646.64 mi (5,868.70 km) |
| Humacao to San Rafael (California) | 3,656.56 mi (5,884.66 km) |
| Humacao to San Ramon (California) | 3,623.25 mi (5,831.05 km) |
| Humacao to San Tan Valley (Arizona) | 3,004.67 mi (4,835.56 km) |
| Humacao to Sand Springs (Oklahoma) | 2,224.32 mi (3,579.70 km) |
| Humacao to Sandusky (Ohio) | 1,893.40 mi (3,047.13 km) |
| Humacao to Sandy (Oregon) | 3,717.36 mi (5,982.52 km) |
| Humacao to Sandy (Utah) | 3,127.94 mi (5,033.93 km) |
| Humacao to Sandy Springs (Georgia) | 1,580.73 mi (2,543.94 km) |
| Humacao to Sanford (Florida) | 1,222.43 mi (1,967.31 km) |
