3The California Zephyr (USA) – 3,924 km

The California Zephyr is one of the longest train journeys in the United States, stretching 3,924 kilometers (2,438 miles) from Chicago to Emeryville, California.

This three-day trip takes passengers through some of America’s most beautiful and diverse landscapes, including the Rocky Mountains, the Great Plains, and the Sierra Nevada.
The train offers stunning views of snow-capped peaks, vast deserts, and lush valleys, making it one of the most scenic train journeys in North America.