| Niederkassel to Giugliano in Campania | 764.10 mi (1,229.70 km) |
| Niederkassel to Giulianova | 645.67 mi (1,039.10 km) |
| Niederkassel to Giussano | 367.48 mi (591.39 km) |
| Niederkassel to Goito | 419.53 mi (675.17 km) |
| Niederkassel to Gonzaga | 441.49 mi (710.50 km) |
| Niederkassel to Gorgonzola | 380.93 mi (613.05 km) |
| Niederkassel to Gorizia | 452.57 mi (728.34 km) |
| Niederkassel to Gragnano | 785.88 mi (1,264.75 km) |
| Niederkassel to Grammichele | 1,011.58 mi (1,627.99 km) |
| Niederkassel to Granarolo del l'Emilia | 479.04 mi (770.94 km) |
| Niederkassel to Gravina in Puglia | 824.11 mi (1,326.28 km) |
| Niederkassel to Grezzana | 409.48 mi (658.99 km) |
| Niederkassel to Gricignano d'Aversa | 759.55 mi (1,222.37 km) |
| Niederkassel to Grosseto | 588.30 mi (946.77 km) |
| Niederkassel to Grottaferrata | 678.89 mi (1,092.57 km) |
