In North of China,people like to say in this way. 一只鸡四斤来重 The weight of the chicken is about 2 kilos . “来” means about,around 那这里三里来地 I think this sentence should be 到这里三里来地 “地” here means distance The sentence in English should be "From there to here is about 3 kilometres.

We barely say and use in this way. But in this case 地 means area.