Paris Charles de Gaulle (CDG) is notoriously challenging to navigate due to its massive scale and unconventional "donut-shaped" Terminal 1 and sprawling Terminal 2 sub-terminals (2A through 2G). In 2026, travelers still report that while signage is multilingual, the sheer walking distances and the need to use the CDGVAL shuttle train between terminals can be stressful. Terminal 2 is particularly confusing because its sections are interconnected but often require clearing additional security or passport control when moving between them. Frequent flyers recommend arriving at least three hours before international flights to account for long queues and unpredictable transit times. While the airport has improved its digital wayfinding and staff support for those with hidden disabilities, its complex layout remains a primary point of frustration for solo and first-time travelers alike.