| 1 | NGO to CVG Cincinnati, United States | 6,684 mi | 14h 22m | Singapore Airlines | weekly |
| 2 | NGO to ORD Chicago, United States | 6,421 mi | 13h 50m | China Airlines | weekly |
| 3 | NGO to LAX Los Angeles, United States | 5,641 mi | 12h 13m | Singapore Airlines | 3×/wk |
| 4 | NGO to HEL Helsinki, Finland | 4,822 mi | 10h 32m | Finnair | 1/day |
| 5 | NGO to HNL Honolulu, United States | 4,019 mi | 8h 52m | Japan Airlines | 1/day |
| 6 | NGO to SIN Singapore, Singapore | 3,133 mi | 7h 3m | Singapore Airlines | 1-2/day |
| 7 | NGO to BKK Bangkok, Thailand | 2,678 mi | 6h 7m | Thai Airways | 1/day |
| 8 | NGO to SGN Ho Chi Minh City, Vietnam | 2,520 mi | 5h 47m | Vietnam | 3×/wk |
| 9 | NGO to HAN Hanoi, Vietnam | 2,100 mi | 4h 55m | Vietnam and VietJetAir | 1-2/day |
| 10 | NGO to MNL Manila, Philippines | 1,715 mi | 4h 7m | Cebu Pacific Air and Philippine Airlines | 2/day |
| 11 | NGO to HKG Hong Kong, Hong Kong SAR China | 1,631 mi | 3h 57m | Cathay Pacific, Hong Kong Express, and AHK Air Hong Kong Limited | 3-4/day |
| 12 | NGO to GUM Tamuning, Guam | 1,559 mi | 3h 48m | United Airlines | 3×/wk |
| 13 | NGO to KHH Kaohsiung City, Taiwan | 1,306 mi | 3h 17m | Tigerair Taiwan | 3×/wk |
| 14 | NGO to RMQ Taichung City, Taiwan | 1,214 mi | 3h 5m | Tigerair Taiwan | 3×/wk |
| 15 | NGO to TPE Taipei, Taiwan | 1,149 mi | 2h 57m | China, Cathay Pacific, and Peach Aviation | 7-8/day |
| 16 | NGO to TSN Tianjin, China | 1,111 mi | 2h 53m | Japan Airlines | 2×/wk |
| 17 | NGO to ISG Ishigaki, Japan | 1,048 mi | 2h 45m | All Nippon Airways | 1/day |
| 18 | NGO to MMY Miyako City, Japan | 979 mi | 2h 36m | All Nippon Airways | 1/day |
| 19 | NGO to TAO Qingdao, China | 943 mi | 2h 32m | Qingdao | 2×/wk |
| 20 | NGO to PVG Shanghai, China | 905 mi | 2h 27m | China Eastern, Japan Airlines, and Juneyao | 3-4/day |
| 21 | NGO to OKA Naha, Japan | 809 mi | 2h 15m | All Nippon Airways, Japan Transocean Air, and Skymark | 13/day |
| 22 | NGO to OKD Sapporo, Japan | 621 mi | 1h 52m | Toki Air | 1/day |
| 23 | NGO to CTS Sapporo, Japan | 607 mi | 1h 50m | All Nippon Airways, Skymark, and Japan Airlines | 15-16/day |
| 24 | NGO to ICN Seoul, South Korea | 605 mi | 1h 50m | Jeju Air, Asiana Airlines, and Jin Air | 8-9/day |
| 25 | NGO to GMP Seoul, South Korea | 588 mi | 1h 48m | Peach Aviation | 2/day |