Easiest language

What would be the easiest language a English speaker could learn?

I am asking because I would like to start out with a easier language before I move on to the harder more time consuming ones. Mostly because I have heard that as you learn more and more languages it gets a bit easier as you go.

There are about 5 that I am interested in learning as a end result:
German
Dutch
French
Spanish
Italian

But am willing to start anywhere really. I have basic French from primary school but it has for the most part left me totally. No training at all in the others, but have spend time in countries speaking all of them, more so Italian than any others.

Also any thoughts on timing for learning these? I had figured around 3 years being that 3 of them are very close, and the 2 others are very close also.

And advice at all is very welcomed.

Cheers!

Dutch is the closest to English, followed by German (60% lexical similarity) and French (27%). However, Dutch and German are both entirely useless outside of the little block of Europe from which they originate.

Italian has the most regular and straightforward grammar of the lot, which is why most people consider it easy. But in relation to English, it's the least similar of all. It's also totally useless outside of Italy.

Thus you have French and Spanish, which are in terms of difficulty pretty much identical. So it's a toss up over whether you like burritos or croissants.

Or you could man up and pick a language that will actually test you, like Mandarin or Japanese. Saying "I'll do it laaater" is bullshit, and you never will unless you start today.