Santo Tomas follow the Red then Blue lines.
From the airport exit drive up to the roundabout [junction of ME-12 ME-14] take the second exit [straight on] over the next roundabout [Poligano] and after 1.7 Km you reach the main Mahon <-> Ciutadella road [ME-1] At this roundabout turn left towards Ciutadella after 8.8 Km you arrive at Alaior.
For Son Bou San Jamie [Jaume], as you drive around the south of Alaior take the third exit slip road signed posted for Son Bou, drive round the roundabout under the main ME-1 and head south for 6.5 Km in to son Bou.
For Santo tomas keep on the ME-1 for another 3.2 Km and take the left turn on to Carretera del Cruce and sign posted 'Santo Tomas' and 'Es Migorn Gran'