As with an ICE (Internal Combustion Engine) the actual range of a Tesla will very on a number of factors from weather, driving style, speed, terrain, etc. Below are the rated ranges based on the model and drive type.

Tesla Model 3 Standard Range Plus have a rated 250 mile range.

Tesla Model 3  Long Range RWD have a rated 322 mile range.

Tesla Model 3 Performance have a rated 310 mile range.