| Grandola to Orbetello | 1,079.97 mi (1,738.05 km) |
| Grandola to Oria | 1,403.80 mi (2,259.19 km) |
| Grandola to Oristano | 926.79 mi (1,491.52 km) |
| Grandola to Orta Nova | 1,303.28 mi (2,097.42 km) |
| Grandola to Orte | 1,139.34 mi (1,833.60 km) |
| Grandola to Ortona | 1,240.43 mi (1,996.28 km) |
| Grandola to Orvieto | 1,128.15 mi (1,815.57 km) |
| Grandola to Orzinuovi | 1,072.24 mi (1,725.60 km) |
| Grandola to Osimo | 1,205.34 mi (1,939.80 km) |
| Grandola to Ospitaletto | 1,082.47 mi (1,742.06 km) |
| Grandola to Ostuni | 1,400.72 mi (2,254.24 km) |
| Grandola to Ottaviano | 1,238.25 mi (1,992.77 km) |
| Grandola to Ovada | 994.73 mi (1,600.86 km) |
| Grandola to Ozieri | 951.07 mi (1,530.61 km) |
| Grandola to Paceco | 1,145.74 mi (1,843.89 km) |
