| Troisdorf to Grottaglie | 864.80 mi (1,391.77 km) |
| Troisdorf to Grottammare | 626.10 mi (1,007.61 km) |
| Troisdorf to Grugliasco | 397.63 mi (639.93 km) |
| Troisdorf to Grumo Appula | 816.40 mi (1,313.86 km) |
| Troisdorf to Grumo Nevano | 762.88 mi (1,227.74 km) |
| Troisdorf to Gualdo Tadino | 586.74 mi (944.27 km) |
| Troisdorf to Guardiagrele | 682.75 mi (1,098.78 km) |
| Troisdorf to Guastalla | 438.77 mi (706.13 km) |
| Troisdorf to Gubbio | 574.88 mi (925.18 km) |
| Troisdorf to Guspini | 782.84 mi (1,259.86 km) |
| Troisdorf to Gussago | 385.79 mi (620.87 km) |
| Troisdorf to Iesi | 578.79 mi (931.47 km) |
| Troisdorf to Iesolo | 443.81 mi (714.24 km) |
| Troisdorf to Iglesias | 797.33 mi (1,283.18 km) |
| Troisdorf to Imola | 494.28 mi (795.47 km) |
