It is Greenwich mean time.
Starting from some point on the Prime Meridian, every capital city on Earth, indeed every point on Earth, can be reached by traveling east.
i think that the largest vountry of the colonies English colonies was philadelphia.
Surprisingly, that point is actually in a city. I don't have a labeled street map for that city, but the point is about midway between the Dakshindari and Shreebhumi neighborhoods, in Kolkata, West Bengal, India.
West Point
This is in the south-west corner of the state of Tlaxcala in the country of Mexico.
Louisiana
St. Louis
Salt Lake City, Utah Territory
Portsmouth, Plymouth, Peterborough or Preston
Louisiana
Chang'an (today called Xi'an), the capital city of Han Dynasty in Chinese history, was the starting point of the Silk Road.
Louisiana
St. Louis
St. Louis!
Redlands is a city in my calculations
The starting point of such invasion was the city and port of Veracruz, on the Gulf of Mexico.
From where to where? You need a starting point and a destination. This question can not be answered as it is written. What is your starting point, and what is your destination? For example: New York City to Los Angles? London England to Paris France?