| Cambridge to Opwijk | 194.29 mi (312.69 km) |
| Cambridge to Ostend | 137.64 mi (221.51 km) |
| Cambridge to Oud-Heverlee | 217.23 mi (349.60 km) |
| Cambridge to Oud-Turnhout | 216.84 mi (348.96 km) |
| Cambridge to Oudenaarde | 176.48 mi (284.02 km) |
| Cambridge to Oudenburg | 142.14 mi (228.75 km) |
| Cambridge to Oupeye | 259.25 mi (417.22 km) |
| Cambridge to Overijse | 213.74 mi (343.99 km) |
| Cambridge to Overpelt | 236.80 mi (381.09 km) |
| Cambridge to Paal | 231.21 mi (372.09 km) |
| Cambridge to Peer | 240.23 mi (386.62 km) |
| Cambridge to Pepinster | 270.40 mi (435.17 km) |
| Cambridge to Peruwelz | 189.56 mi (305.07 km) |
| Cambridge to Perwez | 229.90 mi (369.98 km) |
| Cambridge to Philippeville | 236.55 mi (380.70 km) |
