This is likely effect of perspective from zooming in and out. Try and tilt the map (right mouse button, move the cursor) to see the "correct" ratio.
Brazilian Linux-only user living in Poland, https://steamcommunity.com/id/patolinux on Steam. PC I use for playing: Ryzen 7 7800X3D with 64 GB 6GHz DDR5 CL30, AMD Radeon RX 7900 XTX, ArchLinux on KDE 6 Wayland
Controllers: steam controller via sc-controller or HOTAS set: Saitek X52 Pro + MFD F-16 + G29 pedals.
VR headset: Valve Index & Meta Quest 2. My other PC: Steam Deck OLED with nReal AIR AR headset