Visa requirements for Ukrainian citizens
For traveling to certain countries, Ukrainians do not need to use a passport, as they may use their Ukrainian identity card or internal passport.
Documents which give the right to leave Ukraine and to enter Ukraine and certify the identity of a citizen of Ukraine while staying abroad are:It's important to know, that the special rules of arriving in a particular country should be studied carefully. Thus, in most countries that do not require visas or issue visas, upon arrival you must have a passport, which is valid for at least 3 months from of arrival to this country.
Visa requirements for Transnistrian citizens
As Transnistria is not recognised by the majority of nations of the world (with the exceptions of Abkhazia, South Ossetia and Artsakh, all of which are also mostly unrecognised), a Transnistrian passport is not valid for travel to most countries in the world. As dual nationality is permitted, most people affected are entitled to either a Moldovan, Russian or Ukrainian passport for travel abroad.