Tandragee is 5.5 miles long (only the NW200 & Ulster Grand Prix are longer). I'd say it's approximately 35 miles from Belfast to the circuit, and within easy reach of the ferry terminals & Belfast city airport, and the International Airport which is slightly nearer. All the information you would need is on their website http://www.tandragee100.co.uk/. Certainly I love all our road races but I live only 5 minutes away from the Tandragee circuit I am a wee bit biased & will promote it at every opportunity.