| Sessa Aurunca to Opwijk | 817.29 mi (1,315.31 km) |
| Sessa Aurunca to Ostend | 866.23 mi (1,394.06 km) |
| Sessa Aurunca to Oud-Heverlee | 797.09 mi (1,282.80 km) |
| Sessa Aurunca to Oud-Turnhout | 816.00 mi (1,313.23 km) |
| Sessa Aurunca to Oudenaarde | 827.23 mi (1,331.30 km) |
| Sessa Aurunca to Oudenburg | 861.72 mi (1,386.80 km) |
| Sessa Aurunca to Oupeye | 765.12 mi (1,231.34 km) |
| Sessa Aurunca to Overijse | 797.90 mi (1,284.10 km) |
| Sessa Aurunca to Overpelt | 799.74 mi (1,287.06 km) |
| Sessa Aurunca to Paal | 795.59 mi (1,280.37 km) |
| Sessa Aurunca to Peer | 794.03 mi (1,277.87 km) |
| Sessa Aurunca to Pepinster | 752.75 mi (1,211.43 km) |
| Sessa Aurunca to Peruwelz | 810.36 mi (1,304.15 km) |
| Sessa Aurunca to Perwez | 781.67 mi (1,257.97 km) |
| Sessa Aurunca to Philippeville | 766.00 mi (1,232.76 km) |
