A good number of towns and cities boast some type of public transport such as buses and taxi cabs which suggests going around in Guatemala is not a issue.
Facts on practically all different types of public transport in Guatemala among them airlines, airports in Guatemala, bus routes, driving maps and trains in Guatemala are published here.
The tables underneath will give much more information on the transport methods to get around Guatemala: Travel by rail, travel by air, and travel by bus and car.
Airports in Guatemala
Public Transport in Guatemala
Guatemalan Public Transport Questions