Speed: Comet KVM US/Europe

I’m thinking of buying the Comet Pro KVM and use it to access my work laptop at home remotely when I travel. My work isn’t very CPU intensive so leaving my work laptop at home would be good as the project don’t allow international access/work. I have FiOS 300 Mbps at home.

Would the following use cases be possible to work remotely accessing my work laptop via the Comet? My home base is US East coast. Assume good internet speed in the destination place.

a. Home - to West Coast b. Home - to Central Europe/Germany/UK c. Home - to South East Asia (mainly Thailand)

I am aware that I can use home Internet access with the Slate/Barryl, but leaving the hardware in US would be preferred.