Oh yeah, it's totally distended. It's a neat impression of how the Roman mind conceived the world. The visual reach was about how far the road was, not the actual size of the landmass. The ubiquitous “Thule” makes an appearance as well. I love seeing how extensive the road network was even in Britain. One of these days, I'll do a little walk along any surviving ones. (I know that some are now major highways in the country, like Fosse Way.