| Humacao to Stephenville (Texas) | 2,234.56 mi (3,596.18 km) |
| Humacao to Sterling (Colorado) | 2,701.70 mi (4,347.97 km) |
| Humacao to Sterling (Illinois) | 2,155.34 mi (3,468.68 km) |
| Humacao to Sterling (Virginia) | 1,599.76 mi (2,574.57 km) |
| Humacao to Sterling Heights (Michigan) | 1,966.41 mi (3,164.64 km) |
| Humacao to Steubenville (Ohio) | 1,770.36 mi (2,849.12 km) |
| Humacao to Stevens Point (Wisconsin) | 2,280.25 mi (3,669.70 km) |
| Humacao to Stevenson Ranch (California) | 3,415.12 mi (5,496.10 km) |
| Humacao to Stillwater (Minnesota) | 2,422.51 mi (3,898.65 km) |
| Humacao to Stillwater (Oklahoma) | 2,271.94 mi (3,656.33 km) |
| Humacao to Stockbridge (Georgia) | 1,556.65 mi (2,505.19 km) |
| Humacao to Stockton (California) | 3,590.84 mi (5,778.90 km) |
| Humacao to Stone Ridge (Virginia) | 1,599.15 mi (2,573.58 km) |
| Humacao to Stonecrest (Georgia) | 1,559.36 mi (2,509.55 km) |
| Humacao to Stony Brook (New York) | 1,630.82 mi (2,624.56 km) |
