The main challengers to Bayern Munich are Schalke and bayern leverkussen.
It depends on the League. Bayern have got many Rivals, their main Rivals are TSV 1860 Munich (although they play in the second division), FC Nuremberg and FC Schalke 04
Dortmund!
Real Madrid
Lamborghini is the main rival for Ferrari.
Their main rival is Manchester United
The first place is surely taken by Barcelona, but Atletico Madrid, the city rival, is not far behind. Other rivalries include Valencia, and most certainly Athletic Bilbao. Although the rivalry risen against Valencia and Atl. Madrid are mainly exist on a football level, the same cannot be said for the other two. Athletico Bilbao are the biggest football team of the Vasque region of Spain, which want's to make an autonomous county, so the rivalry has a political level to it. The same more or less goes for Barcelona, with the roots of the rivalry going back to the days of Franco.
The main language spoken in Barcelona is Catalan.
The name of Edison's main rival was Nikola Tesla.
The main rival of FC Schalke is Borussia Dortmund.
Barcelona Airport is the main airport in Barcelona, Spain. It is commonly referred to as El Prat Airport.
Chargers
Roman Catholic is the main religion.
England is Australia's main rival at the World Championships and Commonwealth Games.
El Prat is the main airport for Barcelona, Reus is like 1 1/2 hours from Barcelona. From Reus you can go to Salou, Tarragona and Cambrils.