Madrid Barajas Airport (MAD) is Spain's busiest airport, handling more than 40 million passengers a year between Spain's attractive capital city and hundreds of domestic, European and international...
around 25km, but it is very well connected by car, via the first ring road (M30) northbound, taking the exit to A2 highway and then going straight ahead for 10km. A taxi trip is around 25€ off-peak...
Yes it does have access to all 4 terminals. T1, 2, 3 are served by one stationg and T4 by another one. The ride from the city Center takes approximately 30 minutes.