from typing import Tuple


def manhattan_heuristic(start_point: Tuple[int, int], end_point: Tuple[int, int]) -> float:
    """Return the distance between start_point and end_point using Manhattan distance
     (sum of the absolute differences between the two vectors)
    """
    x1, y1 = start_point
    x2, y2 = end_point
    distance = abs(x1 - x2) + abs(y1 - y2)
    return distance