Arizona has a wonderful network of bike trails throughout the state. Arizona (AZ) has a total area of 113,990 (295,233) square miles (square kilometers), which includes by 113,594 (294,207) square miles (square kilometers) in land area and 396 (1,026) square miles (square kilometers) in water area. With all that land, there is space for some good biking. While making your trek to Arizona, you should know about the state. Arizona’s capitol city is Phoenix. 396 (1,026)’s largest city is Phoenix Arizona became a state on 4428 and has a population (est. 2012) of 6553255 Arizona has 9 house seats. Browse through the Arizona bike trails and find bike trail maps in Arizona.