| Guyancourt to Grottaglie | 942.54 mi (1,516.87 km) |
| Guyancourt to Grottammare | 692.50 mi (1,114.47 km) |
| Guyancourt to Grugliasco | 364.42 mi (586.48 km) |
| Guyancourt to Grumo Appula | 891.68 mi (1,435.01 km) |
| Guyancourt to Grumo Nevano | 804.42 mi (1,294.59 km) |
| Guyancourt to Gualdo Tadino | 639.79 mi (1,029.65 km) |
| Guyancourt to Guardiagrele | 741.56 mi (1,193.43 km) |
| Guyancourt to Guastalla | 485.18 mi (780.82 km) |
| Guyancourt to Gubbio | 626.27 mi (1,007.89 km) |
| Guyancourt to Guspini | 715.69 mi (1,151.80 km) |
| Guyancourt to Gussago | 437.65 mi (704.33 km) |
| Guyancourt to Iesi | 644.83 mi (1,037.75 km) |
| Guyancourt to Iesolo | 544.15 mi (875.72 km) |
| Guyancourt to Iglesias | 727.13 mi (1,170.20 km) |
| Guyancourt to Imola | 549.77 mi (884.76 km) |
