| Huelva to Opwijk | 1,094.17 mi (1,760.90 km) |
| Huelva to Ostend | 1,079.94 mi (1,738.00 km) |
| Huelva to Oud-Heverlee | 1,098.72 mi (1,768.22 km) |
| Huelva to Oud-Turnhout | 1,133.86 mi (1,824.78 km) |
| Huelva to Oudenaarde | 1,073.39 mi (1,727.45 km) |
| Huelva to Oudenburg | 1,079.19 mi (1,736.79 km) |
| Huelva to Oupeye | 1,117.62 mi (1,798.63 km) |
| Huelva to Overijse | 1,092.52 mi (1,758.24 km) |
| Huelva to Overpelt | 1,139.38 mi (1,833.65 km) |
| Huelva to Paal | 1,123.22 mi (1,807.65 km) |
| Huelva to Peer | 1,135.71 mi (1,827.75 km) |
| Huelva to Pepinster | 1,114.78 mi (1,794.07 km) |
| Huelva to Peruwelz | 1,053.73 mi (1,695.82 km) |
| Huelva to Perwez | 1,090.89 mi (1,755.62 km) |
| Huelva to Philippeville | 1,060.43 mi (1,706.59 km) |
