| Griffin to Opwijk | 4,414.87 mi (7,105.04 km) |
| Griffin to Ostend | 4,357.25 mi (7,012.32 km) |
| Griffin to Oud-Heverlee | 4,437.85 mi (7,142.02 km) |
| Griffin to Oud-Turnhout | 4,438.21 mi (7,142.62 km) |
| Griffin to Oudenaarde | 4,394.10 mi (7,071.62 km) |
| Griffin to Oudenburg | 4,361.55 mi (7,019.23 km) |
| Griffin to Oupeye | 4,480.62 mi (7,210.86 km) |
| Griffin to Overijse | 4,433.72 mi (7,135.38 km) |
| Griffin to Overpelt | 4,458.17 mi (7,174.74 km) |
| Griffin to Paal | 4,452.98 mi (7,166.38 km) |
| Griffin to Peer | 4,461.84 mi (7,180.64 km) |
| Griffin to Pepinster | 4,491.40 mi (7,228.21 km) |
| Griffin to Peruwelz | 4,401.73 mi (7,083.89 km) |
| Griffin to Perwez | 4,449.25 mi (7,160.38 km) |
| Griffin to Philippeville | 4,449.40 mi (7,160.62 km) |
