| Humacao to Oakley (California) | 3,611.77 mi (5,812.58 km) |
| Humacao to Oakton (Virginia) | 1,590.03 mi (2,558.91 km) |
| Humacao to Oakville (Missouri) | 2,033.79 mi (3,273.07 km) |
| Humacao to Oatfield (Oregon) | 3,732.99 mi (6,007.66 km) |
| Humacao to Ocala (Florida) | 1,281.41 mi (2,062.24 km) |
| Humacao to Ocean Acres (New Jersey) | 1,575.12 mi (2,534.91 km) |
| Humacao to Ocean City (New Jersey) | 1,550.99 mi (2,496.07 km) |
| Humacao to Ocean Pines (Maryland) | 1,506.69 mi (2,424.78 km) |
| Humacao to Ocean Pointe (Hawaii) | 5,904.83 mi (9,502.90 km) |
| Humacao to Ocean Springs (Mississippi) | 1,670.79 mi (2,688.87 km) |
| Humacao to Oceanside (California) | 3,334.90 mi (5,367.00 km) |
| Humacao to Oceanside (New York) | 1,621.23 mi (2,609.11 km) |
| Humacao to Ocoee (Florida) | 1,227.62 mi (1,975.67 km) |
| Humacao to Oconomowoc (Wisconsin) | 2,173.19 mi (3,497.42 km) |
| Humacao to Odenton (Maryland) | 1,585.43 mi (2,551.51 km) |
