| Southern Pines to Opwijk | 4,121.96 mi (6,633.65 km) |
| Southern Pines to Ostend | 4,064.28 mi (6,540.82 km) |
| Southern Pines to Oud-Heverlee | 4,144.90 mi (6,670.57 km) |
| Southern Pines to Oud-Turnhout | 4,146.30 mi (6,672.83 km) |
| Southern Pines to Oudenaarde | 4,100.73 mi (6,599.48 km) |
| Southern Pines to Oudenburg | 4,068.53 mi (6,547.67 km) |
| Southern Pines to Oupeye | 4,187.89 mi (6,739.75 km) |
| Southern Pines to Overijse | 4,140.62 mi (6,663.69 km) |
| Southern Pines to Overpelt | 4,166.27 mi (6,704.97 km) |
| Southern Pines to Paal | 4,160.64 mi (6,695.91 km) |
| Southern Pines to Peer | 4,169.80 mi (6,710.65 km) |
| Southern Pines to Pepinster | 4,198.49 mi (6,756.82 km) |
| Southern Pines to Peruwelz | 4,107.74 mi (6,610.77 km) |
| Southern Pines to Perwez | 4,155.99 mi (6,688.42 km) |
| Southern Pines to Philippeville | 4,155.27 mi (6,687.27 km) |
