To provide a golf cart control device, terminal devices, a system and a method, which enable golf cart users to keep spacing of each golf carts adaptively according to the situation and play golf safely and smoothly.

When a safety area of a golf cart which is obtained through a reference of the golf cart location, the number of users who use the golf cart, the users' skill, the golf course layout information, the golf course situation or the like, overlaps with those of other golf carts each other, users have on the golf cart displays showing that spacing with other golf carts is narrow.