| Trotwood to Opwijk | 4,100.58 mi (6,599.24 km) |
| Trotwood to Ostend | 4,043.48 mi (6,507.36 km) |
| Trotwood to Oud-Heverlee | 4,123.53 mi (6,636.19 km) |
| Trotwood to Oud-Turnhout | 4,120.55 mi (6,631.39 km) |
| Trotwood to Oudenaarde | 4,081.47 mi (6,568.50 km) |
| Trotwood to Oudenburg | 4,047.91 mi (6,514.47 km) |
| Trotwood to Oupeye | 4,165.37 mi (6,703.52 km) |
| Trotwood to Overijse | 4,119.92 mi (6,630.37 km) |
| Trotwood to Overpelt | 4,140.37 mi (6,663.29 km) |
| Trotwood to Paal | 4,136.62 mi (6,657.24 km) |
| Trotwood to Peer | 4,144.46 mi (6,669.87 km) |
| Trotwood to Pepinster | 4,176.67 mi (6,721.70 km) |
| Trotwood to Peruwelz | 4,091.12 mi (6,584.01 km) |
| Trotwood to Perwez | 4,135.91 mi (6,656.11 km) |
| Trotwood to Philippeville | 4,139.02 mi (6,661.10 km) |
