Possible Clues:

• City airline crossing from South African country
• Capital whose first inhabitants were the Muisca
• Westbound sailor taking in coastal country's capital
• Capital southeast of Medellin
• Fur or feather stole, acquired in that city
• Bolívar Square city
• Colombian city
• Capital answer to spit back
• Golf in Wellington and Australian capital offering foreign capital
• City called 'the Athens of South America'