import math


def euc_dst(pnt0, pnt1):
    """return the distance between pnt0 and pnt1,
    using the euclidean formula.

    `pnts` are geographic and result is in meters.

    Args:
      pnt0 (list): an xyz data list
      pnt1 (list): an xyz data list

    Returns:
      float: the distance beteween pnt0 and pnt1
    """
    
    rad_m = 637100
    distance = math.sqrt(sum([(a-b) ** 2 for a, b in zip(pnt0, pnt1)]))
    return(rad_m * distance)