Literally anywhere in the Canadian prairies. You can see roughly 30km in each direction pretty easy. Saskatchewan is the flattest. They did a lazer test there of over 40km. Many frozen lakes. I drive winter roads, some are 15km long or so, you can see the other side.
Literally anywhere in the Canadian prairies. You can see roughly 30km in each direction pretty easy. Saskatchewan is the flattest. They did a lazer test there of over 40km. Many frozen lakes. I drive winter roads, some are 15km long or so, you can see the other side.