The new United Mileage Plus program requires you not only fly certain amount of miles, but also spend a predetermined amount of money to reach elite status. (rewardexpert.com)
The shelter has set up a challenge where anyone can pledge a certain amount of miles (biking, walking, running) that he or she will be active through by the end of February, so Kale Chips doesn't have to go through his fitness journey alone. (people.com)
Date Night: Find users who want to go on a date this upcoming Friday night within a certain amount of miles (sadly no one in my area has used this feature). (datingwise.com)