| Willoughby to Glen Burnie (Maryland) | 305.56 mi (491.76 km) |
| Willoughby to Glen Carbon (Illinois) | 494.20 mi (795.34 km) |
| Willoughby to Glen Cove (New York) | 407.47 mi (655.76 km) |
| Willoughby to Glen Ellyn (Illinois) | 343.24 mi (552.40 km) |
| Willoughby to Glen Rock (New Jersey) | 380.88 mi (612.97 km) |
| Willoughby to Glendale (Arizona) | 1,765.67 mi (2,841.58 km) |
| Willoughby to Glendale (California) | 2,056.36 mi (3,309.39 km) |
| Willoughby to Glendale (Wisconsin) | 348.01 mi (560.06 km) |
| Willoughby to Glendale Heights (Illinois) | 344.08 mi (553.75 km) |
| Willoughby to Glendora (California) | 2,036.83 mi (3,277.95 km) |
| Willoughby to Glenmont (Maryland) | 290.48 mi (467.48 km) |
| Willoughby to Glenn Dale (Maryland) | 304.37 mi (489.84 km) |
| Willoughby to Glenn Heights (Texas) | 1,055.36 mi (1,698.43 km) |
| Willoughby to Glenpool (Oklahoma) | 877.48 mi (1,412.16 km) |
| Willoughby to Glens Falls (New York) | 411.78 mi (662.70 km) |
