George Bush Intcntl/Houston Airport in Houston, United States has 198 nonstop destinations in the current FlightQ schedule set. This page ranks the farthest routes by airport-to-airport distance and adds airlines, frequency, and estimated flight time.
The longest listed nonstop flight from IAH is to Dubai (DXB), about 8,155 miles with an estimated block time of 17h 25m.
| # | Route | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| 1 | IAH to DXB Dubai, United Arab Emirates | 8,155 mi | 17h 25m | Emirates | 1/day |
| 2 | IAH to DOH Doha, Qatar | 8,037 mi | 17h 10m | Qatar Airways | 1/day |
| 3 | IAH to TPE Taipei, Taiwan | 7,926 mi | 16h 56m | EVA Air | 1/day |
| 4 | IAH to AKL Auckland, New Zealand | 7,421 mi | 15h 54m | Air New Zealand | 1/day |
| 5 | IAH to HND Tokyo, Japan | 6,664 mi | 14h 20m | All Nippon Airways | 1/day |
| 6 | IAH to NRT Tokyo, Japan | 6,630 mi | 14h 16m | United Airlines and ZIPAIR Tokyo | 1-2/day |
| 7 | IAH to IST Istanbul, Türkiye | 6,358 mi | 13h 42m | Turkish Airlines | 1-2/day |
| 8 | IAH to FCO Rome, Italy | 5,670 mi | 12h 17m | ITA | 1/day |
| 9 | IAH to MUC Munich, Germany | 5,405 mi | 11h 44m | United Airlines | 1-2/day |
| 10 | IAH to FRA Frankfurt, Germany | 5,220 mi | 11h 21m | Lufthansa and United Airlines | 2-3/day |
| 11 | IAH to HHN Hahn, Germany | 5,173 mi | 11h 15m | Silk Way West | weekly |
| 12 | IAH to CPH Copenhagen, Denmark | 5,172 mi | 11h 15m | Emirates | 1/day |
| 13 | IAH to LGG Liege, Belgium | 5,081 mi | 11h 4m | Qatar Airways and CHG | 1-2/day |
| 14 | IAH to ZAZ Zaragoza, Spain | 5,080 mi | 11h 4m | Ethiopian Airlines | weekly |
| 15 | IAH to EZE Buenos Aires, Argentina | 5,079 mi | 11h 4m | United Airlines | 1/day |
| 16 | IAH to GIG Rio de Janeiro, Brazil | 5,025 mi | 10h 57m | United Airlines | 1/day |
| 17 | IAH to CDG Paris, France | 5,015 mi | 10h 56m | Air France | 1/day |
| 18 | IAH to AMS Amsterdam, Netherlands | 5,002 mi | 10h 54m | KLM and United Airlines | 1-2/day |
| 19 | IAH to GRU Sao Paulo, Brazil | 4,912 mi | 10h 43m | United Airlines | 1/day |
| 20 | IAH to LHR London, United Kingdom | 4,824 mi | 10h 32m | British Airways and United Airlines | 4/day |
| 21 | IAH to MDZ Mendoza, Argentina | 4,675 mi | 10h 14m | United Airlines | weekly |
| 22 | IAH to HNL Honolulu, United States | 3,897 mi | 8h 37m | United Airlines | 1/day |
| 23 | IAH to ANC Anchorage, United States | 3,261 mi | 7h 19m | United Airlines and Cathay Pacific | 1-2/day |
| 24 | IAH to LIM Lima, Peru | 3,146 mi | 7h 4m | United Airlines | 1/day |
| 25 | IAH to GEO Georgetown, Guyana | 2,902 mi | 6h 34m | United Airlines | 1/day |
Distance is great-circle mileage. Estimated time uses a standard block-time model until a route has enough tracked duration data on its route guide.
The longest nonstop route in FlightQ's current IAH schedule set is IAH to DXB, about 8,155 miles with an estimated block time of 17h 25m.
Routes are ranked by great-circle distance between the origin and destination airports. Flight times are estimates unless a route page has tracked duration data.
The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.