| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Glen Idol | city | Queensland | Australia | -21.27 | 140.81 | 977 | 0 |
| Glen Iffir | city | KwaZulu-Natal | South Africa | -29.07 | 29.98 | 4189 | 1002 |
| Glen Ilah | city | Arizona | United States | 34.22 | -112.76 | 5029 | |
| Glen Ina | city | New South Wales | Australia | -31.67 | 143.45 | 223 | 0 |
| Glen Innes | city | New South Wales | Australia | -29.73 | 151.74 | 3490 | 7976 |
| Glen Innes | city | Queensland | Australia | -23.45 | 146.38 | 1069 | 0 |
| Glen Innes - Rugby Park Heliport | airport | -29.73 | 151.74 | 3455 | 0 | ||
| Glen Iris | city | Western Australia | Australia | -33.34 | 115.67 | 9 | 30488 |
| Glen Iris | city | Alabama | United States | 33.49 | -86.81 | 892 | |
| Glen Iris | city | Texas | United States | 29.64 | -95.43 | 52 | |
| Glen Iron | city | Pennsylvania | United States | 40.87 | -77.20 | 830 | |
| Glen Isla | city | Free State | South Africa | -29.93 | 27.08 | 5078 | 412 |
| Glen Isla | city | Free State | South Africa | -28.46 | 29.20 | 5980 | 587 |
| Glen Isla | city | Masvingo | Zimbabwe | -19.92 | 31.45 | 3651 | 3741 |
| Glen Islay | city | Westmoreland | Jamaica | 18.32 | -78.06 | 830 | 21910 |
| Glen Isle | city | Maryland | United States | 38.96 | -76.59 | 49 | |
| Glen Ivan | city | Eastern Cape | South Africa | -33.80 | 24.90 | 104 | 10183 |