| Boppard to Glen Carbon (Illinois) | 4,522.32 mi (7,277.97 km) |
| Boppard to Glen Cove (New York) | 3,784.53 mi (6,090.61 km) |
| Boppard to Glen Ellyn (Illinois) | 4,299.09 mi (6,918.71 km) |
| Boppard to Glen Rock (New Jersey) | 3,800.66 mi (6,116.57 km) |
| Boppard to Glendale (Arizona) | 5,581.91 mi (8,983.21 km) |
| Boppard to Glendale (California) | 5,734.22 mi (9,228.33 km) |
| Boppard to Glendale (Wisconsin) | 4,233.85 mi (6,813.72 km) |
| Boppard to Glendale Heights (Illinois) | 4,297.12 mi (6,915.55 km) |
| Boppard to Glendora (California) | 5,724.41 mi (9,212.55 km) |
| Boppard to Glenmont (Maryland) | 4,003.02 mi (6,442.24 km) |
| Boppard to Glenn Dale (Maryland) | 3,997.17 mi (6,432.83 km) |
| Boppard to Glenn Heights (Texas) | 5,098.85 mi (8,205.80 km) |
| Boppard to Glenpool (Oklahoma) | 4,889.14 mi (7,868.32 km) |
| Boppard to Glens Falls (New York) | 3,680.00 mi (5,922.40 km) |
| Boppard to Glenvar Heights (Florida) | 4,783.87 mi (7,698.89 km) |
