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Tonawanda Harbor , United States

2. Allegheny River

3. Ohio River

4. Tennessee River

5. Mississippi River

6. Gulf Of Mexico

7. Straits Of Florida

8. North Atlantic Ocean

9. Strait Of Gibraltar

10. Alboran Sea

11. Mediterranean Sea

12. Damietta Branch River

13. Nile River

14. Ismailiya Canal River

15. Suez Canal

16. Suez Canal River

17. Gulf Of Suez

18. Red Sea

19. Gulf Of Aden

20. Arabian Sea

21. Indian Ocean

22. Laccadive Sea

23. Bay Of Bengal

24. Andaman Sea

25. Strait Of Malacca

26. South China Sea

27. Philippine Sea

28. East China Sea

29. Hangzhou Bay

30. Yangtze River

31. Chang Jiang (yangtze) River

Port of Chung Ching (Chongqing / Chungking), China

Distance: 17862 nautical miles