| Imperial Beach to Opwijk | 5,652.67 mi (9,097.10 km) |
| Imperial Beach to Ostend | 5,600.30 mi (9,012.80 km) |
| Imperial Beach to Oud-Heverlee | 5,674.30 mi (9,131.90 km) |
| Imperial Beach to Oud-Turnhout | 5,661.12 mi (9,110.69 km) |
| Imperial Beach to Oudenaarde | 5,639.64 mi (9,076.12 km) |
| Imperial Beach to Oudenburg | 5,604.85 mi (9,020.14 km) |
| Imperial Beach to Oupeye | 5,710.97 mi (9,190.92 km) |
| Imperial Beach to Overijse | 5,672.47 mi (9,128.95 km) |
| Imperial Beach to Overpelt | 5,679.39 mi (9,140.10 km) |
| Imperial Beach to Paal | 5,680.33 mi (9,141.61 km) |
| Imperial Beach to Peer | 5,684.58 mi (9,148.44 km) |
| Imperial Beach to Pepinster | 5,723.25 mi (9,210.69 km) |
| Imperial Beach to Peruwelz | 5,654.79 mi (9,100.50 km) |
| Imperial Beach to Perwez | 5,688.98 mi (9,155.52 km) |
| Imperial Beach to Philippeville | 5,700.80 mi (9,174.56 km) |
