We've made it! 18 days later we arrived in Lima having accumulated 94 bus hours. According to Google Maps, that is over 3,580 miles which is the roughly the equivalent of a road trip from Oklahoma City to Anchorage, Alaska

BA -> Mendoza (13.5 hrs)
Mendoza -> Santiago (7 hrs
Santiago -> Valparaiso (1.5 hrs)
Valparaiso -> Santiago (1.5 hrs)
Santiago -> Calama (21 hrs)
Calama -> San Pedro (1.5 hrs)
San Pedro -> Arica (9 hrs)
Arica -> Tacna (2 hrs)
Tacna -> Arequipa (6 hrs)
Arequipa -> Cusco (10 hrs)
Cuzco -> Lima (21 hrs)