| Prospect Heights to Glen Burnie (Maryland) | 626.95 mi (1,008.98 km) |
| Prospect Heights to Glen Carbon (Illinois) | 255.19 mi (410.68 km) |
| Prospect Heights to Glen Cove (New York) | 744.03 mi (1,197.41 km) |
| Prospect Heights to Glen Ellyn (Illinois) | 17.83 mi (28.69 km) |
| Prospect Heights to Glen Rock (New Jersey) | 717.42 mi (1,154.58 km) |
| Prospect Heights to Glendale (Arizona) | 1,444.44 mi (2,324.61 km) |
| Prospect Heights to Glendale (California) | 1,725.49 mi (2,776.91 km) |
| Prospect Heights to Glendale (Wisconsin) | 70.81 mi (113.95 km) |
| Prospect Heights to Glendale Heights (Illinois) | 14.93 mi (24.03 km) |
| Prospect Heights to Glendora (California) | 1,706.40 mi (2,746.18 km) |
| Prospect Heights to Glenmont (Maryland) | 607.61 mi (977.86 km) |
| Prospect Heights to Glenn Dale (Maryland) | 621.95 mi (1,000.92 km) |
| Prospect Heights to Glenn Heights (Texas) | 821.34 mi (1,321.82 km) |
| Prospect Heights to Glenpool (Oklahoma) | 606.81 mi (976.57 km) |
| Prospect Heights to Glens Falls (New York) | 728.94 mi (1,173.11 km) |
