| Priolo Gargallo to Opwijk | 1,096.09 mi (1,763.98 km) |
| Priolo Gargallo to Ostend | 1,142.30 mi (1,838.36 km) |
| Priolo Gargallo to Oud-Heverlee | 1,076.82 mi (1,732.98 km) |
| Priolo Gargallo to Oud-Turnhout | 1,097.92 mi (1,766.93 km) |
| Priolo Gargallo to Oudenaarde | 1,103.91 mi (1,776.58 km) |
| Priolo Gargallo to Oudenburg | 1,137.87 mi (1,831.22 km) |
| Priolo Gargallo to Oupeye | 1,047.13 mi (1,685.19 km) |
| Priolo Gargallo to Overijse | 1,077.10 mi (1,733.42 km) |
| Priolo Gargallo to Overpelt | 1,082.45 mi (1,742.03 km) |
| Priolo Gargallo to Paal | 1,077.26 mi (1,733.67 km) |
| Priolo Gargallo to Peer | 1,076.63 mi (1,732.67 km) |
| Priolo Gargallo to Pepinster | 1,034.85 mi (1,665.42 km) |
| Priolo Gargallo to Peruwelz | 1,085.69 mi (1,747.25 km) |
| Priolo Gargallo to Perwez | 1,061.16 mi (1,707.77 km) |
| Priolo Gargallo to Philippeville | 1,043.20 mi (1,678.86 km) |
