Distance from Houston, TX to Singapore: ~10,000 Miles

The great-circle distance between Houston, Texas (IAH) and Singapore (SIN) is approximately 10,000 miles (16,100 km).

No direct flights exist. Typical routing:

• IAH → Tokyo (NRT/HND) → SIN (~20 hrs)
• IAH → Dubai (DXB) → SIN (~22 hrs)
• IAH → Seoul (ICN) → SIN (~21 hrs)
• IAH → Taipei (TPE) → SIN (~20 hrs)

Singapore is 13–14 hours ahead of Houston (CDT/CST).