| Citrus to Opwijk | 5,587.00 mi (8,991.40 km) |
| Citrus to Ostend | 5,535.23 mi (8,908.08 km) |
| Citrus to Oud-Heverlee | 5,608.42 mi (9,025.89 km) |
| Citrus to Oud-Turnhout | 5,594.43 mi (9,003.37 km) |
| Citrus to Oudenaarde | 5,574.53 mi (8,971.34 km) |
| Citrus to Oudenburg | 5,539.78 mi (8,915.41 km) |
| Citrus to Oupeye | 5,644.52 mi (9,083.98 km) |
| Citrus to Overijse | 5,606.75 mi (9,023.19 km) |
| Citrus to Overpelt | 5,612.51 mi (9,032.46 km) |
| Citrus to Paal | 5,613.84 mi (9,034.60 km) |
| Citrus to Peer | 5,617.77 mi (9,040.92 km) |
| Citrus to Pepinster | 5,656.84 mi (9,103.80 km) |
| Citrus to Peruwelz | 5,590.10 mi (8,996.40 km) |
| Citrus to Perwez | 5,623.24 mi (9,049.74 km) |
| Citrus to Philippeville | 5,635.78 mi (9,069.91 km) |
