“Endurance in the Skies: Discover the 15 Longest Flights That Push Human Limits!”
12. Singapore (SIN) – San Francisco (SFO)
Singapore Airlines and United Airlines both operate this nonstop route, linking Singapore with San Francisco across 8,446 miles in roughly 14 hours and 30 minutes. This flight is a vital connector between two of the world’s most innovative cities, with tech professionals frequently traveling to collaborate and exchange ideas.
The route is especially busy during major tech events, drawing professionals from both regions to one another’s cutting-edge industries. It’s not just the tech crowd who loves this route. Tourists also flock to these cities for very different reasons, San Francisco offers iconic landmarks like the Golden Gate Bridge and Alcatraz, while Singapore boasts lush gardens, futuristic architecture, and an unbeatable food scene.
13. Atlanta (ATL) – Johannesburg (JNB)
Delta’s 15-hour, 20-minute flight from Atlanta to Johannesburg covers 8,439 miles, creating a direct path between the southeastern U.S. and South Africa. This route is a favorite for American tourists looking to experience South Africa’s natural beauty, from safaris to vibrant city life.
It’s especially popular during U.S. summer months, as travelers take advantage of the opposite-season weather to escape the heat. Johannesburg serves as a gateway to some of South Africa’s most famous attractions, like Kruger National Park and Cape Town. For South Africans, Atlanta’s easy access to the rest of the U.S. makes this flight appealing, too.
