我发现刚买的房子左右两边的block都是1km范围之内，然后自己的却不在。
通过google maps测距，我发现左右两边的block其实也不在1km范围内（绝对意义的话）。如果用极限的点来测的话，现在的房子刚好在1km那里。给One Map发邮件得到下面的回复
The distance of blocks to a particular school is determine by MOE, therefore OneMap not able to include the block to Peichun school.
Every year, MOE will provide all the school name together with the location, and all the blocks’ number for each particular school to OneMap.
OneMap work with MOE to develop SchoolQuery for public to check the school and blocks details.
*The distance is not able to measure using straight line, which directly from the school.
所以这个距离的测量是MOE有最终的解释权了，大家有去appeal过吗？