Some itineraries for Burma Exploration by private car with careful, English speaking driver :

Myanmar Encounters 
The tour kicks off from Mandalay, the biggest city in north Myanmar and ends by the former capital of Yangon. It is more than just an ordinary sightseeing since you are not only to visit Myanmar Heritage sites but also see the different villages at the remote area. 
Brief itinerary : Mandalay - Pyin Oo Lwin - Shwe Bo - Monywa - Bagan - Magwe - Pyu - Yangon - Naypyidaw - Inle Lake - Mandalay
Duration : 12 days / Tour is easy to customize for motorcycle as well.

Essential South Myanmar
Follow the ancient trail of Mon Kingdom, exploring the authenticity of Yangon, Hpa An, Golden Rock and Mawlamgyine. The experience focuses on the cultural interaction which varies beautifully from vibrant cities to monasteries, Shampoo island to famous Golden Rock. 
Brief itinerary: Yangon - Bago - Kyaikhtiyo - Mawlamyine - Hpa An - Yangon
Duration: 7 days

Multi-country 
There is so much to see on the road from Bangkok to Golden Triangle when you turn your car into the  land of Myanmar. After exploring the chaotic of Thailand capital, heading south to Dawei, one of the typical towns in south Myanmar then venturing further to the world of temples in Bagan, floating gardens in Inle Lake. 
The highlights of this trip also come from the encounter to the different ethnic minorities near Kyaing Tong and Shan state.
Brief Itinerary : Bangkok - Kanchanaburi – Dawei -Mawlamyine -Golden Rock - Nay Pyi Daw - BaganHeho – Inle Lake – Kunhing - Kengtung - Tachileik - Maesot