<Tr> <Th> Federal district </Th> <Td> 68.34 sq mi (177.0 km) </Td> </Tr> <Tr> <Th> Land </Th> <Td> 61.05 sq mi (158.1 km) </Td> </Tr> <Tr> <Th> Water </Th> <Td> 7.29 sq mi (18.9 km) </Td> </Tr> <Tr> <Th> Highest elevation </Th> <Td> 409 ft (125 m) </Td> </Tr>

How many miles is washington dc from new york city