Assertion: borough's mile | /r/HasProperty | 50 km
Facets:
Source sentences:
text: The town is situated on the River Lea, about 30 miles (50 km) northwest of London.
text: Luton is situated less than 30 miles (50 km) north of the centre of London, giving it good links with the City and other parts of the country via rail and major roads such as the M1 and A6.