| Troisdorf to Giugliano in Campania | 761.46 mi (1,225.45 km) |
| Troisdorf to Giulianova | 642.74 mi (1,034.40 km) |
| Troisdorf to Giussano | 365.94 mi (588.93 km) |
| Troisdorf to Goito | 417.27 mi (671.53 km) |
| Troisdorf to Gonzaga | 439.24 mi (706.89 km) |
| Troisdorf to Gorgonzola | 379.32 mi (610.46 km) |
| Troisdorf to Gorizia | 448.83 mi (722.31 km) |
| Troisdorf to Gragnano | 783.19 mi (1,260.42 km) |
| Troisdorf to Grammichele | 1,009.34 mi (1,624.37 km) |
| Troisdorf to Granarolo del l'Emilia | 476.60 mi (767.02 km) |
| Troisdorf to Gravina in Puglia | 820.91 mi (1,321.12 km) |
| Troisdorf to Grezzana | 406.96 mi (654.93 km) |
| Troisdorf to Gricignano d'Aversa | 756.90 mi (1,218.11 km) |
| Troisdorf to Grosseto | 586.40 mi (943.73 km) |
| Troisdorf to Grottaferrata | 676.58 mi (1,088.85 km) |
