I have one of these 10′ long iPhone cables and it’s unbelievably handy. I paid like $40 for mine… If you hurry, you can get yours for ¬†under $15.

Source: Amazon.com: Anker PowerLine+ Lightning Cable (10ft) Durable and Fast Charging Cable [Double Braided Nylon] for iPhone, iPad and More (Red): Cell Phones & Accessories