| Humacao to Rockville (Maryland) | 1,598.07 mi (2,571.84 km) |
| Humacao to Rockville Centre (New York) | 1,623.32 mi (2,612.48 km) |
| Humacao to Rockwall (Texas) | 2,152.57 mi (3,464.22 km) |
| Humacao to Rocky Mount (North Carolina) | 1,432.05 mi (2,304.67 km) |
| Humacao to Rocky Point (New York) | 1,629.80 mi (2,622.91 km) |
| Humacao to Rocky River (Ohio) | 1,868.81 mi (3,007.56 km) |
| Humacao to Roessleville (New York) | 1,759.17 mi (2,831.10 km) |
| Humacao to Rogers (Arkansas) | 2,132.07 mi (3,431.24 km) |
| Humacao to Rogers (Minnesota) | 2,455.89 mi (3,952.38 km) |
| Humacao to Rohnert Park (California) | 3,668.36 mi (5,903.65 km) |
| Humacao to Rolla (Missouri) | 2,077.58 mi (3,343.55 km) |
| Humacao to Rolling Meadows (Illinois) | 2,106.13 mi (3,389.49 km) |
| Humacao to Roma (Texas) | 2,190.23 mi (3,524.83 km) |
| Humacao to Rome (Georgia) | 1,631.44 mi (2,625.55 km) |
| Humacao to Rome (New York) | 1,822.19 mi (2,932.53 km) |
