| Grove City to Opwijk | 4,048.55 mi (6,515.51 km) |
| Grove City to Ostend | 3,991.36 mi (6,423.47 km) |
| Grove City to Oud-Heverlee | 4,071.52 mi (6,552.48 km) |
| Grove City to Oud-Turnhout | 4,068.98 mi (6,548.39 km) |
| Grove City to Oudenaarde | 4,029.22 mi (6,484.40 km) |
| Grove City to Oudenburg | 3,995.77 mi (6,430.57 km) |
| Grove City to Oupeye | 4,113.50 mi (6,620.04 km) |
| Grove City to Overijse | 4,067.84 mi (6,546.56 km) |
| Grove City to Overpelt | 4,088.83 mi (6,580.33 km) |
| Grove City to Paal | 4,084.88 mi (6,573.98 km) |
| Grove City to Peer | 4,092.86 mi (6,586.83 km) |
| Grove City to Pepinster | 4,124.74 mi (6,638.13 km) |
| Grove City to Peruwelz | 4,038.61 mi (6,499.52 km) |
| Grove City to Perwez | 4,083.78 mi (6,572.21 km) |
| Grove City to Philippeville | 4,086.51 mi (6,576.60 km) |
