| NSEC | Time it takes light to travel a ft., approximately |
| PSEC | Time it takes light to travel .3 mm: Abbr. |
| NANOSECOND | Time in which light travels one foot, approximately |
| MICROSECOND | Time it takes for light to travel 300 meters |
| MAINLINE | Way to travel a man holds doubly modish |
| SACREDLOTUS | Indian flower scared to travel a great deal with us (6,5) |
| KILOMETRE | Like Metro to travel a distance (9) |
| LIGHTYEARS | Girl has yet to travel a very long way (5,5) |
| LEADINGTHEWAY | Being first to travel a route (7,3,3) |
| LONGRANGE | Left on farm and able to travel a good distance |
| FLYAWAY | To travel a distance by air makes you giddy |
| EON | Amount of time it takes for a red light to change, hyperbolically |
| ALEXANDER | A FT column, a new article for those in the 12, and a great leader! (9) |
| ONEHOUR | Time it takes to develop a set of photos, maybe |
| WINKOFANAYE | Time it takes for a toady to reply? |
| IMITATE | A time it takes to copy something (7) |
| WHILST | In the time it takes a learner to get into the game |
| DURATION | The time it takes to get around it (8) |
| AIR | Invisible gaseous mixture through which radio or sound waves travel; a breeze or zephyr, such as that needed to disperse a samara; a melody; or, the "flight" of a skier mid jump (3) |
| CMS | 30.48 of them fit in a ft. |
