| Mersin to Opwijk | 1,785.20 mi (2,873.00 km) |
| Mersin to Ostend | 1,842.82 mi (2,965.73 km) |
| Mersin to Oud-Heverlee | 1,762.22 mi (2,836.02 km) |
| Mersin to Oud-Turnhout | 1,762.25 mi (2,836.07 km) |
| Mersin to Oudenaarde | 1,806.06 mi (2,906.57 km) |
| Mersin to Oudenburg | 1,838.53 mi (2,958.83 km) |
| Mersin to Oupeye | 1,719.46 mi (2,767.21 km) |
| Mersin to Overijse | 1,766.37 mi (2,842.69 km) |
| Mersin to Overpelt | 1,742.31 mi (2,803.97 km) |
| Mersin to Paal | 1,747.22 mi (2,811.88 km) |
| Mersin to Peer | 1,738.54 mi (2,797.91 km) |
| Mersin to Pepinster | 1,708.67 mi (2,749.83 km) |
| Mersin to Peruwelz | 1,798.83 mi (2,894.93 km) |
| Mersin to Perwez | 1,750.86 mi (2,817.74 km) |
| Mersin to Philippeville | 1,751.29 mi (2,818.43 km) |
