| Ronkonkoma to Glen Burnie (Maryland) | 216.67 mi (348.69 km) |
| Ronkonkoma to Glen Carbon (Illinois) | 904.74 mi (1,456.04 km) |
| Ronkonkoma to Glen Cove (New York) | 26.76 mi (43.06 km) |
| Ronkonkoma to Glen Ellyn (Illinois) | 777.47 mi (1,251.21 km) |
| Ronkonkoma to Glen Rock (New Jersey) | 53.36 mi (85.88 km) |
| Ronkonkoma to Glendale (Arizona) | 2,190.47 mi (3,525.22 km) |
| Ronkonkoma to Glendale (California) | 2,487.64 mi (4,003.47 km) |
| Ronkonkoma to Glendale (Wisconsin) | 776.17 mi (1,249.12 km) |
| Ronkonkoma to Glendale Heights (Illinois) | 778.31 mi (1,252.56 km) |
| Ronkonkoma to Glendora (California) | 2,467.82 mi (3,971.57 km) |
| Ronkonkoma to Glenmont (Maryland) | 239.81 mi (385.94 km) |
| Ronkonkoma to Glenn Dale (Maryland) | 232.05 mi (373.45 km) |
| Ronkonkoma to Glenn Heights (Texas) | 1,427.40 mi (2,297.17 km) |
| Ronkonkoma to Glenpool (Oklahoma) | 1,279.81 mi (2,059.66 km) |
| Ronkonkoma to Glens Falls (New York) | 175.28 mi (282.09 km) |
