| Humacao to Ridgeland (Mississippi) | 1,804.35 mi (2,903.82 km) |
| Humacao to Ridgewood (New Jersey) | 1,652.25 mi (2,659.04 km) |
| Humacao to Rifle (Colorado) | 2,900.83 mi (4,668.44 km) |
| Humacao to Rincon (Georgia) | 1,369.05 mi (2,203.28 km) |
| Humacao to Ringwood (New Jersey) | 1,663.21 mi (2,676.68 km) |
| Humacao to Río Grande (Puerto Rico) | 15.72 mi (25.30 km) |
| Humacao to Rio Grande City (Texas) | 2,178.56 mi (3,506.06 km) |
| Humacao to Rio Linda (California) | 3,603.43 mi (5,799.15 km) |
| Humacao to Rio Rancho (New Mexico) | 2,761.31 mi (4,443.90 km) |
| Humacao to Rio Rico (Arizona) | 2,955.59 mi (4,756.57 km) |
| Humacao to Ripon (California) | 3,579.33 mi (5,760.37 km) |
| Humacao to River Edge (New Jersey) | 1,647.36 mi (2,651.17 km) |
| Humacao to River Falls (Wisconsin) | 2,405.96 mi (3,872.03 km) |
| Humacao to River Forest (Illinois) | 2,089.88 mi (3,363.33 km) |
| Humacao to River Grove (Illinois) | 2,091.98 mi (3,366.72 km) |
