5.7 kilometers. According to Baidu map query, it is 5.7 kilometers from Harbin Railway Station to Hong 'an Safety Education Center, and it takes 25 minutes to get there by bus No.64. Specific route:

1. First, walk 280 meters from Harbin Railway Station to the bus stop sign.

2. Secondly, take bus No.64 and arrive at Hong 'an Station after 6 stops.

3. Finally, you can walk 580 meters to Hong 'an Safety Education Center.