| Sirnak to Opwijk | 2,079.21 mi (3,346.17 km) |
| Sirnak to Ostend | 2,136.48 mi (3,438.33 km) |
| Sirnak to Oud-Heverlee | 2,056.72 mi (3,309.97 km) |
| Sirnak to Oud-Turnhout | 2,050.44 mi (3,299.86 km) |
| Sirnak to Oudenaarde | 2,102.59 mi (3,383.79 km) |
| Sirnak to Oudenburg | 2,132.50 mi (3,431.93 km) |
| Sirnak to Oupeye | 2,013.20 mi (3,239.92 km) |
| Sirnak to Overijse | 2,061.73 mi (3,318.03 km) |
| Sirnak to Overpelt | 2,030.62 mi (3,267.97 km) |
| Sirnak to Paal | 2,038.19 mi (3,280.15 km) |
| Sirnak to Peer | 2,027.75 mi (3,263.35 km) |
| Sirnak to Pepinster | 2,003.65 mi (3,224.56 km) |
| Sirnak to Peruwelz | 2,099.13 mi (3,378.22 km) |
| Sirnak to Perwez | 2,047.45 mi (3,295.05 km) |
| Sirnak to Philippeville | 2,053.27 mi (3,304.43 km) |
