| Simi Valley to Opwijk | 5,604.67 mi (9,019.84 km) |
| Simi Valley to Ostend | 5,553.21 mi (8,937.02 km) |
| Simi Valley to Oud-Heverlee | 5,625.99 mi (9,054.16 km) |
| Simi Valley to Oud-Turnhout | 5,611.60 mi (9,031.00 km) |
| Simi Valley to Oudenaarde | 5,592.49 mi (9,000.24 km) |
| Simi Valley to Oudenburg | 5,557.75 mi (8,944.34 km) |
| Simi Valley to Oupeye | 5,661.79 mi (9,111.78 km) |
| Simi Valley to Overijse | 5,624.40 mi (9,051.60 km) |
| Simi Valley to Overpelt | 5,629.57 mi (9,059.92 km) |
| Simi Valley to Paal | 5,631.10 mi (9,062.38 km) |
| Simi Valley to Peer | 5,634.87 mi (9,068.44 km) |
| Simi Valley to Pepinster | 5,674.13 mi (9,131.63 km) |
| Simi Valley to Peruwelz | 5,608.26 mi (9,025.62 km) |
| Simi Valley to Perwez | 5,640.88 mi (9,078.12 km) |
| Simi Valley to Philippeville | 5,653.76 mi (9,098.85 km) |
