| Greenock to Glen Carbon (Illinois) | 3,888.72 mi (6,258.29 km) |
| Greenock to Glen Cove (New York) | 3,177.29 mi (5,113.36 km) |
| Greenock to Glen Ellyn (Illinois) | 3,662.83 mi (5,894.76 km) |
| Greenock to Glen Rock (New Jersey) | 3,191.87 mi (5,136.82 km) |
| Greenock to Glendale (Arizona) | 4,936.22 mi (7,944.08 km) |
| Greenock to Glendale (California) | 5,091.08 mi (8,193.29 km) |
| Greenock to Glendale (Wisconsin) | 3,595.78 mi (5,786.86 km) |
| Greenock to Glendale Heights (Illinois) | 3,660.76 mi (5,891.43 km) |
| Greenock to Glendora (California) | 5,080.97 mi (8,177.03 km) |
| Greenock to Glenmont (Maryland) | 3,393.72 mi (5,461.66 km) |
| Greenock to Glenn Dale (Maryland) | 3,388.77 mi (5,453.69 km) |
| Greenock to Glenn Heights (Texas) | 4,464.96 mi (7,185.66 km) |
| Greenock to Glenpool (Oklahoma) | 4,251.76 mi (6,842.54 km) |
| Greenock to Glens Falls (New York) | 3,063.93 mi (4,930.92 km) |
| Greenock to Glenvar Heights (Florida) | 4,212.43 mi (6,779.25 km) |
