How far is it from Nottingham to Portsmouth?

190 miles taking this route:

1. Take M1 (SOUTH) LONDON, from Nottingham, to M25 at J6A; follow signs to M25 HEATHROW AIRPORT.
2. Take M25, around LONDON, on the LONDON ORBITAL, to A3 at J10; follow signs to A3 PORTSMOUTH.
3. Take A3 to Portsmouth.