| Spout Springs to Opwijk | 4,102.98 mi (6,603.10 km) |
| Spout Springs to Ostend | 4,045.30 mi (6,510.28 km) |
| Spout Springs to Oud-Heverlee | 4,125.92 mi (6,640.02 km) |
| Spout Springs to Oud-Turnhout | 4,127.43 mi (6,642.46 km) |
| Spout Springs to Oudenaarde | 4,081.70 mi (6,568.86 km) |
| Spout Springs to Oudenburg | 4,049.54 mi (6,517.11 km) |
| Spout Springs to Oupeye | 4,168.92 mi (6,709.23 km) |
| Spout Springs to Overijse | 4,121.62 mi (6,633.11 km) |
| Spout Springs to Overpelt | 4,147.40 mi (6,674.60 km) |
| Spout Springs to Paal | 4,141.72 mi (6,665.46 km) |
| Spout Springs to Peer | 4,150.91 mi (6,680.25 km) |
| Spout Springs to Pepinster | 4,179.51 mi (6,726.27 km) |
| Spout Springs to Peruwelz | 4,088.65 mi (6,580.05 km) |
| Spout Springs to Perwez | 4,136.98 mi (6,657.82 km) |
| Spout Springs to Philippeville | 4,136.16 mi (6,656.51 km) |
