What Is The Distance Between America And Thailand?

You didn't mentioned in any city of America and Thailand. I'll be here taking series of cities to help you. But, still if your desired city isn't mentioned below you can visit Distance Calculator and choose your desired city. The cities I selected for you are:
Distance from Chicago to Bangkok is 8603.9 Miles or 13846.7 Kilometers or 7471.6 Nautical Miles.
Distance from Los Angeles to Bangkok is 8289.5 Miles or 13340.7 Kilometers or 7198.6 Nautical Miles.
Distance from Washington DC to Bangkok is 8837.2 Miles or 14222.2 Kilometers or 7674.3 Nautical Miles.
Distance from Kansas City to Bangkok is 8687 Miles or 13980.3 Kilometers or 7543.8 Nautical Miles.
Distance from New York to Bangkok is 8688.6 Miles or 13982.9 Kilometers or 7545.2 Nautical Miles.
Distance from Houston to Bangkok is 9293.5 Miles or 14956.5 Kilometers or 8070.5 Nautical Miles.

About 10000 miles
some can be more some can be lesser than this