With a freestanding dishwasher you have great flexibility where you can place it. The machine has a width of 60 cm, which is the standard size for a dishwasher.
From Buywise Domestics
Montpellier MDW1363K Freestanding 60cm Dishwasher 13p/s 6 prog
G E Bright Electrical
Indesit DFE1B19BUK Full Size Dishwasher With 13 Place Settings