| Grovetown to Orbetello | 4,865.08 mi (7,829.60 km) |
| Grovetown to Oria | 5,219.93 mi (8,400.67 km) |
| Grovetown to Oristano | 4,825.26 mi (7,765.50 km) |
| Grovetown to Orta Nova | 5,104.37 mi (8,214.69 km) |
| Grovetown to Orte | 4,917.14 mi (7,913.37 km) |
| Grovetown to Ortona | 5,010.63 mi (8,063.83 km) |
| Grovetown to Orvieto | 4,896.32 mi (7,879.86 km) |
| Grovetown to Orzinuovi | 4,715.45 mi (7,588.79 km) |
| Grovetown to Osimo | 4,931.90 mi (7,937.13 km) |
| Grovetown to Ospitaletto | 4,716.81 mi (7,590.98 km) |
| Grovetown to Ostuni | 5,209.20 mi (8,383.39 km) |
| Grovetown to Ottaviano | 5,065.74 mi (8,152.52 km) |
| Grovetown to Ovada | 4,681.88 mi (7,534.76 km) |
| Grovetown to Ozieri | 4,823.05 mi (7,761.95 km) |
| Grovetown to Paceco | 5,075.56 mi (8,168.32 km) |
