| Groveton to Opwijk | 3,861.76 mi (6,214.90 km) |
| Groveton to Ostend | 3,804.14 mi (6,122.18 km) |
| Groveton to Oud-Heverlee | 3,884.74 mi (6,251.88 km) |
| Groveton to Oud-Turnhout | 3,885.12 mi (6,252.50 km) |
| Groveton to Oudenaarde | 3,841.01 mi (6,181.50 km) |
| Groveton to Oudenburg | 3,808.44 mi (6,129.09 km) |
| Groveton to Oupeye | 3,927.51 mi (6,320.72 km) |
| Groveton to Overijse | 3,880.61 mi (6,245.24 km) |
| Groveton to Overpelt | 3,905.09 mi (6,284.63 km) |
| Groveton to Paal | 3,899.88 mi (6,276.25 km) |
| Groveton to Peer | 3,908.75 mi (6,290.52 km) |
| Groveton to Pepinster | 3,938.29 mi (6,338.07 km) |
| Groveton to Peruwelz | 3,848.67 mi (6,193.83 km) |
| Groveton to Perwez | 3,896.15 mi (6,270.25 km) |
| Groveton to Philippeville | 3,896.35 mi (6,270.58 km) |
