Airports with approach or departure frequencies within 30nm of Trenton Mercer (KTTN)
| Airport | APP | DEP | Distance | Bearing | |
|---|---|---|---|---|---|
| KTTN | Trenton Mercer (KTTN) | X | 0nm | 0° | |
| 39N | PRINCETON (39N) | X | 10nm | 44° | |
| N87 | Trenton-Robbinsville Airport (N87) | X | X | 10nm | 111° |
| KDYL | Doylestown Airport (KDYL) | X | 14nm | 283° | |
| KPNE | Northeast Philadelphia Airport (KPNE) | X | X | 15nm | 216° |
| 47N | CENTRAL JERSEY RGNL (47N) | X | 18nm | 33° | |
| N40 | SKY MANOR (N40) | X | 19nm | 336° | |
| N51 | Solberg-Hunterdon (N51) | X | X | 19nm | 11° |
| KWRI | MCGUIRE AFB (KWRI) | X | 19nm | 146° | |
| KVAY | SOUTH JERSEY RGNL (KVAY) | X | 20nm | 183° | |
| N14 | FLYING W (N14) | X | 21nm | 178° | |
| 3N6 | OLD BRIDGE (3N6) | X | 22nm | 81° | |
| KLOM | Wings Field (KLOM) | X | X | 22nm | 247° |
| KSMQ | SOMERSET (KSMQ) | X | 22nm | 17° | |
| N73 | RED LION (N73) | X | 23nm | 172° | |
| KCKZ | Pennridge Airport (KCKZ) | X | 23nm | 287° | |
| KNEL | LAKEHURST NAES (KNEL) | X | 26nm | 124° | |
| KUKT | Quakertown Airport (KUKT) | X | 28nm | 290° | |
| N10 | Perkiomen Valley Airport (N10) | X | X | 29nm | 261° |
| 19N | Camden Co (19N) | X | 30nm | 191° |