You have been travelling is correct. You would never say you have been on travelling, although for poetic emphasis you could say you have been travelling on.
traveling is correct.
Both are correct according to context. For example: I spent a year traveling in Europe; While traveling to France, we stopped over in Belgium.
That is the correct spelling of "canoeing" (travelling in a canoe).
"in" is correct.
That is the correct US spelling of "traveling."The UK version still doubles the L as travelling.
both are incorrect. it is traveled.
To make sure that they are travelling in the correct direction.
curiosity... is the correct answer
No. For you to know the distance you need to know the time the object has been travelling and a function describing the speed of the object for the time it has been travelling. A direction is not required. correct but you missed direction can affect speed as climbing altitude would get slowed by gravity
The correct spelling is journey (a trip, or travelling).
"Have been" is the correct phrase to use. "Have being" is not grammatically correct.
Hadrian is a boy and he had been traveling for 6 years because he become crazy and didn't find where he would go..lolz jk