szerintem a waze teljesen jól számolja:

https://www.google.hu/maps/dir/Szeged/Sz%C3%A9kesfeh%C3%A9rv%C3%A1r/@46.8045168,18.7210229,9z/data=!4m19!4m18!1m10!1m1!1s0x474487e22bcce54b:0x400c4290c1e1190!2m2!1d20.1414253!2d46.2530102!3m4!1m2!1d19.4807322!2d46.4402911!3s0x4743a1202d6271a3:0x61d91d6e8308f758!1m5!1m1!1s0x4769f793764a78df:0x400c4290c1e11f0!2m2!1d18.4221358!2d47.1860262!3e0?hl=hu