Postmates charges depend on the distance the package is delivered from the postmate's local pickup point. The closer the package is to the pickup point, the higher the charge. The charges also increase as the package moves away from the pickup point. There is also a surcharge for extra large packages. Postmates charges by weight and by distance. The closer the package is to the postmate when it's delivered, the lower the charge. As the package moves away from the pickup point, the charge increases. Additionally, there is a surcharge for extra large packages.