Distance between two points P(x1, y1) and Q(x2, y2) is given by:

$$d(P,Q) = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$$

Distance of a point P(x, y) from the origin is given by:

$$d(0,P) = \sqrt{x^2+y^2}$$

Therefore,

$$d(0,Bright\ City) = \sqrt{300^2+160^2}= 340$$

which is between 300 and 390.