First, the meaning is different.
1, reach: reach, catch, touch.
2. Go to: Go to; Seek advice from ...
Second, the usage is different.
1, arrival: it means "arrive at a certain place". When it means "get", "receive", "get" and "receive", it can be followed by a noun or pronoun as an object. When Get means "gradually reach a certain stage or state" or "begin to do something", it can be followed by infinitive as an adverbial.
2. Go: It basically means "leave the original place and move to another place." Extension can mean "go, go, travel, advance", "leave, leave", "die, collapse, bad", "give up, disappear, cease to exist", "be in the state of …", "be popular, circulate, circulate", "occur, progress, become" and become "run, operate and function".
Third, the emphasis is different.
1, get to: pay attention to the results that have been achieved.
2. Going: Focus on the process of reaching the destination.