According to forum posts, travelers have explored various train routes within Ukraine, such as from Lviv to Chernivtsi and on to Odessa. Some preferred overnight trains for longer journeys due to comfort and efficiency, while daytime trains were favored for their speed in shorter routes.

Travelers have mentioned that train tickets can be purchased from the official Ukrainian railway website, with bookings typically opening 30 to 45 days before departure. It's highlighted that for certain fast trains, tickets open 10 days before departure and can sell out quickly.

When direct train routes are unavailable, users have discussed alternative connections involving buses for certain segments of their journey. For instance, from Chernivtsi to Kamyanets-Podilskiy then to Odessa, bus transfers were necessary due to the lack of direct train services.

Cost discussions on the forum indicate that 4-bed compartment tickets are more economical compared to 2-bed compartments, which are pricier and considered first-class. This price variance is crucial for budget-conscious travelers.

According to forum posts, all travelers entering Ukraine must have a health insurance policy that covers COVID-19 related medical expenses. This policy must be issued by an insurance company registered in Ukraine or by a foreign insurance company that has a representative office in Ukraine or a contractual relationship with an insurance partner in the country.

Some travelers reported that the requirement for health insurance is not strictly enforced at the border, as checks are rare. However, it is advised to have it as a precaution and for entry requirements compliance.

For travelers needing to purchase insurance, it can be done online through various platforms such as the Visit Ukraine website. Additionally, insurance can also be purchased at the border, although it is typically more expensive than pre-arranged policies.

According to forum posts, travelers can opt for a minivan from the bus station near the main train station in Kyiv to Odessa. This journey usually takes about 6.5 hours and costs around 300 UAH. Minivans are available without prior reservation, allowing passengers to simply turn up, wait for the vehicle to fill, and pay before departure.

Some users have mentioned that direct buses from Kyiv to Odessa are available, taking approximately 6 hours and 45 minutes. Notable bus services include Ecolines, Gunsel, and FlixBus, with prices ranging from 330 UAH to 525 UAH. FlixBus is particularly recommended for its early departure from the bus station near the main train station in Kyiv, allowing travelers to arrive in Odessa around lunchtime.

For those traveling from Chisinau to Odessa while avoiding Transnistria, buses typically route through Căușeni, bypassing Transnistria from the south. This information is vital for travelers concerned about potential travel restrictions or complications in the Transnistria region.