| Ocean Springs to Opwijk | 4,739.12 mi (7,626.88 km) |
| Ocean Springs to Ostend | 4,681.55 mi (7,534.23 km) |
| Ocean Springs to Oud-Heverlee | 4,762.11 mi (7,663.87 km) |
| Ocean Springs to Oud-Turnhout | 4,761.89 mi (7,663.52 km) |
| Ocean Springs to Oudenaarde | 4,718.62 mi (7,593.88 km) |
| Ocean Springs to Oudenburg | 4,685.87 mi (7,541.19 km) |
| Ocean Springs to Oupeye | 4,804.75 mi (7,732.50 km) |
| Ocean Springs to Overijse | 4,758.06 mi (7,657.36 km) |
| Ocean Springs to Overpelt | 4,781.84 mi (7,695.63 km) |
| Ocean Springs to Paal | 4,776.90 mi (7,687.68 km) |
| Ocean Springs to Peer | 4,785.58 mi (7,701.65 km) |
| Ocean Springs to Pepinster | 4,815.63 mi (7,750.00 km) |
| Ocean Springs to Peruwelz | 4,726.57 mi (7,606.68 km) |
| Ocean Springs to Perwez | 4,773.69 mi (7,682.50 km) |
| Ocean Springs to Philippeville | 4,774.31 mi (7,683.51 km) |
