The length and physical impossibility of the poem's mapped itinerary reveal that Paris: A Poem is not a literal walk through the 1920s city, but a ghostlike traversal across time. A traversal where past, present, and future coalesce into a single day, and Paris lives on through the generations of artists, revolutionaries, and ordinary inhabitants who haunt its streets.
It's tiring on eyes to read an entire paragraph of boldface type. Can you switch this to regular text and make a transition to invite readers outside the map? Talk to us the way you did at the beginning, e.g.: If you feel a bit dizzy after that tour of Paris, you have begun to realize the length and physical impossibility... You might also productively include some of the calculations you mentioned in class, like how many miles were traversed in navigating the city in this way, and how long it might take to do so.