The central Asian viper, one of the most dangerous snakes in the Gobi because of its aggressiveness and highly toxic venom. Typically about two feet in length, the central Asian viper has a buff to reddish to olive color with variable patterning and a light colored belly with distinct to faint brown dots.
Approx distance in miles from Barcelona to Cannes is 290 miles or 466.61 KMS. This page was designed to give you a good indication of the distance from Barcelona to Cannes.
The driving distance from Madrid to Barcelona is approximately 4-1/2 to 5 hours, unless you stop for lunch along the way, which I suggest. You follow the NII/E90 out of Madrid to Zaragoza before taking the A2/E90 to Lleida and finally into Barcelona. You'd be advised to purchase the Michelin Regional Map #572 which covers this are in detail.