3690.9
详见
http://map.sogou.com/#s=m==nav!!from==%u4E4C%u9C81%u6728%u9F50|9753236.030619,5408522.289648|1000027918335|uid!!to==%u5B89%u987A|11793772.605477,3011803.080872|1000027918576|uid!!fromidx==!!toidx==!!tactic==1!!mode==1!!exactroute==1&c=10951039,4209996,4