| Santa Monica to Opwijk | 5,610.62 mi (9,029.43 km) |
| Santa Monica to Ostend | 5,559.02 mi (8,946.37 km) |
| Santa Monica to Oud-Heverlee | 5,632.00 mi (9,063.82 km) |
| Santa Monica to Oud-Turnhout | 5,617.79 mi (9,040.96 km) |
| Santa Monica to Oudenaarde | 5,598.31 mi (9,009.61 km) |
| Santa Monica to Oudenburg | 5,563.57 mi (8,953.69 km) |
| Santa Monica to Oupeye | 5,667.94 mi (9,121.66 km) |
| Santa Monica to Overijse | 5,630.37 mi (9,061.20 km) |
| Santa Monica to Overpelt | 5,635.81 mi (9,069.96 km) |
| Santa Monica to Paal | 5,637.25 mi (9,072.27 km) |
| Santa Monica to Peer | 5,641.09 mi (9,078.45 km) |
| Santa Monica to Pepinster | 5,680.26 mi (9,141.50 km) |
| Santa Monica to Peruwelz | 5,613.99 mi (9,034.84 km) |
| Santa Monica to Perwez | 5,646.85 mi (9,087.73 km) |
| Santa Monica to Philippeville | 5,659.57 mi (9,108.21 km) |
