| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| NIA (Nimba Airport) | airport | 7.50 | -8.60 | 1632 | 0 | ||
| NIAGARA DISTRICT | airport | Canada | 43.19 | -79.17 | 321 | 0 | |
| NIAGARA FALLS INTL | airport | United States | 43.11 | -78.95 | 589 | 0 | |
| NIAGARA FALLS MEMORIAL PARKING RAMP | airport | United States | 43.09 | -79.05 | 670 | 0 | |
| NIAMTOUGOU INTERNATIONAL | airport | Togo | 9.77 | 1.09 | 1515 | 0 | |
| NIB (NIKOLAI) | airport | United States | 63.02 | -154.36 | 441 | 0 | |
| NIC (Nicosia International Airport) | airport | 35.15 | 33.28 | 0 | |||
| NICHOLS | airport | United States | 42.32 | -92.28 | 950 | 0 | |
| NICHOLS | airport | United States | 41.78 | -79.60 | 1761 | 0 | |
| NICHOLS FARMS | airport | United States | 34.59 | -117.83 | 2700 | 0 | |
| NICHOLS RANCH | airport | United States | 47.68 | -117.02 | 2430 | 0 | |
| NICHOLSON | airport | United States | 39.17 | -80.65 | 1008 | 0 | |
| NICKS FLYING SVC | airport | United States | 32.94 | -90.84 | 100 | 0 | |
| NICKS LANDING | airport | United States | 48.46 | -103.88 | 2440 | 0 | |
| NICOLAISEN | airport | United States | 43.68 | -98.27 | 1440 | 0 | |
| NICOLET | airport | United States | 44.51 | -87.86 | 790 | 0 | |
| NIEDERRHEIN | airport | Germany | 51.60 | 6.14 | 106 | 0 | |
| NIEDERSTETTEN | airport | Germany | 49.39 | 9.96 | 1536 | 0 | |
| NIELSEN | airport | United States | 41.92 | -77.14 | 1040 | 0 | |
| NIELSEN | airport | United States | 45.34 | -122.52 | 510 | 0 | |
| NIELSEN'S | airport | United States | 44.60 | -93.13 | 990 | 0 | |
| NIELSENS MED EVAC | airport | United States | 38.94 | -90.48 | 425 | 0 | |
| NIELSVILLE | airport | United States | 47.53 | -96.83 | 869 | 0 | |
| NIERENBERG ESTATE | airport | United States | 28.22 | -80.68 | 32 | 0 | |
| NIETZ | airport | United States | 41.41 | -83.68 | 676 | 0 | |
| NIETZ AIRSTRIP | airport | United States | 44.19 | -92.45 | 1130 | 0 | |
| NIF (Camp Nifty Airport) | airport | -21.67 | 121.59 | 295 | 0 | ||
| NIG (Nikunau Airport) | airport | -1.31 | 176.41 | 6 | 0 | ||
| NIGHTMUTE | airport | United States | 60.47 | -164.70 | 4 | 0 | |
| NIIGATA | airport | Japan | 37.96 | 139.12 | 29 | 0 | |
| NIK (Niokolo-Koba Airport) | airport | 13.05 | -12.73 | 0 | |||
| NIKKILA FARMS | airport | United States | 46.70 | -89.00 | 1100 | 0 | |
| NIKKO | airport | United States | 15.25 | -145.78 | 60 | 0 | |
| NIKLASON LAKE | airport | United States | 61.63 | -149.27 | 380 | 0 | |
| NIKLASON LAKE ESTATES | airport | United States | 61.63 | -149.29 | 410 | 0 | |
| NIKLAUS RLA | airport | United States | 40.18 | -88.62 | 725 | 0 | |
| NIKOLAI | airport | United States | 63.02 | -154.36 | 441 | 0 | |
| NIKOLAI CREEK | airport | United States | 61.01 | -151.45 | 30 | 0 | |
| NIKOLSKI AS | airport | United States | 52.94 | -168.85 | 77 | 0 | |
| NIKOS KAZANTZAKIS | airport | Greece | 35.34 | 25.18 | 115 | 0 | |
| NIM (DIORI HAMANI) | airport | Niger | 13.48 | 2.18 | 732 | 0 | |
| NIMACH | airport | India | 24.43 | 74.87 | 1617 | 0 | |
| NIMSICK | airport | United States | 37.13 | -94.22 | 1095 | 0 | |
| NINE MILE | airport | United States | 47.08 | -114.41 | 3364 | 0 | |
| NINE QUARTER CIRCLE RANCH | airport | United States | 45.07 | -111.30 | 6974 | 0 | |
| NINILCHIK | airport | United States | 60.02 | -151.59 | 276 | 0 | |
| NINOY AQUINO INTL | airport | Philippines | 14.51 | 121.02 | 75 | 0 | |
| NIO (Nioki Airport) | airport | -2.72 | 17.68 | 1043 | 0 | ||
| NIP (JACKSONVILLE NAS) | airport | United States | 30.24 | -81.68 | 22 | 0 | |
| NIPSCO SOUTHLAKE COMPLEX | airport | United States | 41.46 | -87.32 | 690 | 0 | |
| NIQUELANDIA | airport | Brazil | -14.43 | -48.49 | 2756 | 0 | |
| NIS | airport | Serbia | 43.34 | 21.85 | 648 | 0 | |
| NIS (Simberi Airport) | airport | -2.66 | 152.00 | 10 | 0 | ||
| NIT (SOUCHE) | airport | France | 46.31 | -0.40 | 203 | 0 | |
| NITV | airport | United States | 26.63 | -80.22 | 18 | 0 | |
| NIU (Naiu Airport) | airport | -16.12 | -146.37 | 50 | 0 | ||
| NIUE (NIUE INTL) | airport | Niue | -19.08 | -169.93 | 209 | 0 | |
| NIUE INTL | airport | Niue | -19.08 | -169.93 | 209 | 0 | |
| NIX (Nioro du Sahel Airport) | airport | 15.24 | -9.58 | 778 | 0 | ||
| NIX RIVER RANCH STRIP | airport | United States | 29.93 | -101.23 | 1820 | 0 | |
| NIXON | airport | United States | 39.19 | -90.16 | 610 | 0 | |
| NIXON FORK MINE | airport | United States | 63.23 | -154.76 | 1510 | 0 | |
| NIZHNEVARTOVSK | airport | Russia | 60.95 | 76.48 | 177 | 0 | |
| NIZZANA WEST | airport | Israel | 30.86 | 34.44 | 825 | 0 | |
| NIshihiraharachÅ | city | Shimane | Japan | 34.75 | 131.88 | 328 | 13661 |