Check out Glasgow - Topography Terrain 3D City 3D Model Pack 3D model on CGTrader for $499. High-quality mesh by 3D-City-Models.
STL (Stereolithography, filesize: 8.53 MB), OBJ (OBJ, filesize: 102 MB), 3DM (Rhinoceros 3D, filesize: 233 MB), FBM (fbm, filesize: 394 MB), DWG (AutoCAD, filesize: 148 MB), BLEND (Blender, filesize: 79.2 MB), C4D (Cinema 4D, filesize: 86.5 MB), DAE (Collada, filesize: 180 MB), MA (Autodesk Maya, filesize: 100 MB), GLTF (glTF, filesize: 79.5 MB), MAX (Autodesk 3ds Max, filesize: 258 MB), FBX (Autodesk FBX, filesize: 115 MB), SKP (Sketchup, filesize: 207 MB), RFA (Autodesk Revit, filesize: 437 MB), PDF (PDF, filesize: 8.53 MB), 3DS (3D Studio, filesize: 8.53 MB), DXF (DXF, filesize: 8.53 MB), LS10 (Lumion, filesize: 8.53 MB), UASSET (UnrealEngine, filesize: 8.53 MB), UNITYPACKAGE (Unity 3D, filesize: 8.53 MB), JPG (JPG, filesize: 53.8 MB), TM (Twinmotion, filesize: 8.4 MB)