30.4 square miles (78.7 km 2 ) {with 0.8 square miles (2.1 km 2 ) (2.73%) of water}, located 34.9 miles (56.2 km) southwest of Boston , 16 miles (26 km) southeast of Worcester , 175 miles (282 km) northeast of New York City , and 20.4 miles (32.8 km) northwest of Providence . Uxbridge lies in the Greater Boston-Worcester-Manchester Metropolitan area [54]