| Catonsville to Grottaferrata | 4,469.03 mi (7,192.20 km) |
| Catonsville to Grottaglie | 4,724.51 mi (7,603.37 km) |
| Catonsville to Grottammare | 4,478.28 mi (7,207.09 km) |
| Catonsville to Grugliasco | 4,135.63 mi (6,655.65 km) |
| Catonsville to Grumo Appula | 4,674.07 mi (7,522.19 km) |
| Catonsville to Grumo Nevano | 4,570.43 mi (7,355.40 km) |
| Catonsville to Gualdo Tadino | 4,422.77 mi (7,117.76 km) |
| Catonsville to Guardiagrele | 4,521.96 mi (7,277.39 km) |
| Catonsville to Guastalla | 4,273.96 mi (6,878.27 km) |
| Catonsville to Gubbio | 4,409.30 mi (7,096.08 km) |
| Catonsville to Guspini | 4,366.15 mi (7,026.64 km) |
| Catonsville to Gussago | 4,229.39 mi (6,806.55 km) |
| Catonsville to Iesi | 4,432.27 mi (7,133.05 km) |
| Catonsville to Iesolo | 4,337.38 mi (6,980.34 km) |
| Catonsville to Iglesias | 4,369.06 mi (7,031.32 km) |
