| Costesti to Opwijk | 1,049.52 mi (1,689.04 km) |
| Costesti to Ostend | 1,107.17 mi (1,781.82 km) |
| Costesti to Oud-Heverlee | 1,026.70 mi (1,652.32 km) |
| Costesti to Oud-Turnhout | 1,023.79 mi (1,647.63 km) |
| Costesti to Oudenaarde | 1,071.78 mi (1,724.86 km) |
| Costesti to Oudenburg | 1,103.02 mi (1,775.14 km) |
| Costesti to Oupeye | 983.39 mi (1,582.61 km) |
| Costesti to Overijse | 1,031.31 mi (1,659.74 km) |
| Costesti to Overpelt | 1,003.82 mi (1,615.50 km) |
| Costesti to Paal | 1,009.92 mi (1,625.31 km) |
| Costesti to Peer | 1,000.42 mi (1,610.02 km) |
| Costesti to Pepinster | 973.19 mi (1,566.20 km) |
| Costesti to Peruwelz | 1,066.68 mi (1,716.66 km) |
| Costesti to Perwez | 1,016.41 mi (1,635.75 km) |
| Costesti to Philippeville | 1,020.03 mi (1,641.58 km) |
