Guide de ville
Rio De Janeiro GIG: What to Do on a Layover
Ipanema at sunrise in 4 hours: açaí bowl, footvolley, Dois Irmãos backdrop.
Getting from the airport
GIG to city center: 59 minutes by bus (Bancários - Prado Júnior). Trains run every 12 minutes. Service runs 05:00 to 23:30. Skip the taxi unless your connection is under 5 hours.
What to do in Rio De Janeiro
The stops worth making: Christ the Redeemer, Sugarloaf Mountain, Copacabana beach, Lapa Arches nightlife. Rated above 4.4: Escadaria Selarón (4.6), Museu do Amanhã (4.7), AquaRio (4.6), Real Gabinete Português de Leitura (4.8), Pedra do Sal (4.6). You do not need the full tourist circuit. Pick two and commit.
Visa and entry
Rio De Janeiro is visa-free for US passports. No application, no fee. The border process at GIG is standard. Budget 30 minutes.
How long do you need
The minimum useful layover is 6 hours. That gives you 59 minutes in each direction plus about 152 minutes on the ground. Up to 24 hours is a proper overnight.