| Catalca to Grottaferrata | 817.68 mi (1,315.93 km) |
| Catalca to Grottaglie | 577.71 mi (929.73 km) |
| Catalca to Grottammare | 758.54 mi (1,220.76 km) |
| Catalca to Grugliasco | 1,084.56 mi (1,745.43 km) |
| Catalca to Grumo Appula | 612.25 mi (985.32 km) |
| Catalca to Grumo Nevano | 739.18 mi (1,189.59 km) |
| Catalca to Gualdo Tadino | 814.36 mi (1,310.59 km) |
| Catalca to Guardiagrele | 738.03 mi (1,187.74 km) |
| Catalca to Guastalla | 933.74 mi (1,502.72 km) |
| Catalca to Gubbio | 825.92 mi (1,329.19 km) |
| Catalca to Guspini | 1,047.96 mi (1,686.53 km) |
| Catalca to Gussago | 967.43 mi (1,556.92 km) |
| Catalca to Iesi | 793.61 mi (1,277.19 km) |
| Catalca to Iesolo | 849.08 mi (1,366.46 km) |
| Catalca to Iglesias | 1,056.49 mi (1,700.26 km) |
