Of course! Visiting Vilnius in Lithuania, Riga in Latvia, and Tallinn in Estonia, also known as the Baltic capitals, offer a blend of historical charm and cosmopolitan vibe. Here are some travel tips for your Baltic journey:

Best Time to Visit:
The most favorable time to visit these Baltic cities is during their summer months from June to August when the weather is warm and the days are longest. May and September are also pleasant.

Route and Accessibility:
All these cities are easily accessible via flights from major European cities. There are also well-operated bus and train services that connect these capitals. From Vilnius to Riga it's about a 4 hours drive/train ride, and from Riga to Tallinn about 4.5 hours.

Altitude and Acclimatization:
Given that these cities are at sea level, altitude is not an issue. There's no need for any specific acclimatization.

Accommodation and Booking:
Stay options range from luxury hotels to budget hostels. It is advisable to book your accommodation in advance, especially during peak season.

Clothing and Essentials:
For a summer visit, pack light summer clothes, sunglasses, hats, and comfortable walking shoes. Don't forget an umbrella or light rain jacket, as rains are common. For winter, heavy winter clothing is necessary.

Health and Safety:
Though generally safe, take standard precautions against pickpocketing in touristy areas. EU citizens should carry their European Health Insurance Card (EHIC).

Local Etiquette and Respect:
It's important to remember that all three countries have their own language and culture. Try to learn a few local words, respect the local customs and traditions.

Enjoy your Baltic adventure!