| Grandville to Orbetello | 4,616.18 mi (7,429.02 km) |
| Grandville to Oria | 4,957.69 mi (7,978.64 km) |
| Grandville to Oristano | 4,614.74 mi (7,426.71 km) |
| Grandville to Orta Nova | 4,844.23 mi (7,796.04 km) |
| Grandville to Orte | 4,662.44 mi (7,503.47 km) |
| Grandville to Ortona | 4,747.30 mi (7,640.04 km) |
| Grandville to Orvieto | 4,640.39 mi (7,467.99 km) |
| Grandville to Orzinuovi | 4,442.51 mi (7,149.54 km) |
| Grandville to Osimo | 4,662.04 mi (7,502.82 km) |
| Grandville to Ospitaletto | 4,441.69 mi (7,148.21 km) |
| Grandville to Ostuni | 4,945.08 mi (7,958.33 km) |
| Grandville to Ottaviano | 4,816.36 mi (7,751.19 km) |
| Grandville to Ovada | 4,422.32 mi (7,117.04 km) |
| Grandville to Ozieri | 4,603.54 mi (7,408.68 km) |
| Grandville to Paceco | 4,863.85 mi (7,827.60 km) |
