Related Clues:

• Distance from Land's End's no good to holidaymakers at the outset
• Duration, extent
• It's no good being consigned to endless oblivion for a stretch
• Linear dimension
• (Of illness) lasting a long time
• End-to-end distance
• (Of illness) long-lasting
• A bit of swimming in Scottish port no good for one
• (Of disease) persistent
• Right-on, wearing stylish pants
• The 'L' of 'A = L x W'
• (Of illness) deep-seated
• Earthling lacks air in one of the dimensions
• Left England, taxes without cuts — hard period
• Distance or extent from end to end