Question: How far from Byron Bay is the town that holds a MardiGrass festival?

Context paragraphs:
Splendour in the Grass: Splendour in the Grass is an Australian music festival that has been held annually since 2001.  The festival has been held near Byron Bay, New South Wales for all but two years since its inauguration.  In 2010 and 2011, the festival was held in Woodford, Queensland, while organisers made an effort to gain support for a new location at North Byron Parklands at Yelgun (30 km from Byron Bay).  The event returned to Byron Bay in 2012, when it was held at Belongil Fields.  The 2013 festival was the first to be held at the new North Byron Parklands location, to much controversy from festival goers and the local community.

MardiGrass: MardiGrass is a cannabis law reform rally and festival held annually in the town of Nimbin, in north east New South Wales, Australia.

Bluesfest Byron Bay: The Byron Bay Bluesfest, formerly the East Coast International Blues & Roots Music Festival, is an annual music festival that has been held over the Easter long weekend in the Byron Bay area in Australia since 1990.  It features a large selection of blues and roots performers, from Australia and around the world, and is one of the world's leading contemporary music festivals.

Byron Bay Writers Festival: The Byron Bay Writers Festival is a literary event taking place annually in Byron Bay, New South Wales.  The festival commenced in 1997, and is run over a weekend.  As of 2010 it included presentations by over 100 participants.  The festival has included interviews with a number of notable writers including Bret Easton Ellis, Matthew Reilly and Kathy Lette.

Nimbin, New South Wales: Nimbin is a village in the Northern Rivers area of the Australian state of New South Wales, approximately 30 km north of Lismore, 33 km northeast of Kyogle, and 70 km west of Byron Bay.

Byron Football Club: Byron Bay AFL Football Club, also known as the Byron Bay Magpies, is a Byron Bay, New South Wales based club competing in the QAFA Northern Rivers competition.  It was founded in 1984.

Byron Bay Film Festival: The Byron Bay Film Festival is Australia's largest regional film festival.  It is an AACTA Awards accredited independent awards-based film event held in the late Australian summer at the Byron Community & Cultural Centre, in the coastal town of Byron Bay.

Cannabis Culture (magazine): Cannabis Culture is a Canadian online magazine and former print magazine devoted to cannabis and the worldwide cannabis subculture.  "Cannabis Culture" publishes stories about the struggle to legalize marijuana, profiles of marijuana paraphernalia, articles on how to grow marijuana, interviews with prominent marijuana users, and coverage of cannabis cultural events like the Nimbin MardiGrass festival and the "High Times" Cannabis Cup.

Rüfüs: RÜFÜS (also known as RÜFÜS DU SOL in North America) is an alternative dance group from Sydney, Australia, that consists of Tyrone Lindqvist, Jon George and James Hunt.  Their debut album "Atlas" peaked at number 1 in Australia, while their second album "Bloom" debuted atop the Australian albums chart in early 2016.  Rüfüs won the ARIA Award for Best Dance Release in 2014.  RÜFÜS have performed in the NSW Bluesfest at Byron Bay in 2013, Byron Bay's Splendour in the Grass in 2014, and Mountain Sounds Festival 2017 in NSW.

Peter Noble (music promoter): Peter Bruce Noble {'1': ", '2': ", '3': ", '4': "} is an Australian entrepreneur active in the music industry for almost 50 years.  He is best known as co-founder and festival director of the annual Bluesfest Byron Bay, which has been running since 1990.  The 5-day festival is now held every Easter at the Tyagarah Tea Tree Farm, just north of Byron Bay, a New South Wales beachside town.

Supporting paragraphs: MardiGrass Nimbin, New South Wales
Answer: 70 km