| EDGWARE | Just beyond Burnt Oak. the northern terminus of the Northern Line (7) |
| STANMORE | The northern terminus of the Jubilee line of the London Underground (8) |
| BOYCE | Composer of the music to Heart of Oak, the official march of the Royal Navy (5) |
| TACOMA | Western terminus of the Northern Pacific Railroad |
| GOLDERS | London underground station on the Northern line between Hampstead and Brent Cross (7,5) |
| ARCHWAY | London Underground station on the Northern line. between Highgate and Tufnell Park (7) |
| MILLHILL | Suburb in the London Borough of Barnet with a tube station on the High Barnet branch of the Northern line |
| PALMYRAATOLL | One of the Northern Line Islands, at the approximate centre of the Pacific Ocean, turned into a Naval Air Station during World War II |
| KENTISHTOWN | Tube station in Camden, on the High Barnet branch of the Northern Line (7,4) |
| BLOOPED | Hit just beyond the infield |
| LOOPERS | Fly balls hit just beyond the infield |
| ENLIGHT | Back in the day, illuminate Northern Line in 8 (7) |
| GOFORTH | Leave game, just beyond medals we hear (2,5) |
| HOORAYHENRY | Affected youth who reportedly runs a hostel by the end of the Northern Line (6,5) |
| LINEN | Fabric of the Northern Line to the fore(5) |
| TANGENT | East End rep straddles Northern line (7) |
| MAINE | Northern terminus of the Appalachian Trail |
| HANOI | Northern terminus of the Reunification Express |
| SETTLE | Town at the southern end of the line that has Carlisle as its northern terminus |
| WARRENSTREET | London Underground station on the Northern Line, between Goodge Street and Euston, and the Victoria Line, between Oxford Circus and Euston |
