| Barreiro to Oswestry | 1,021.68 mi (1,644.24 km) |
| Barreiro to Otley | 1,108.80 mi (1,784.45 km) |
| Barreiro to Ovenden | 1,095.57 mi (1,763.15 km) |
| Barreiro to Oxford | 979.40 mi (1,576.19 km) |
| Barreiro to Oxted | 974.47 mi (1,568.26 km) |
| Barreiro to Padbury | 998.72 mi (1,607.29 km) |
| Barreiro to Padiham | 1,092.91 mi (1,758.87 km) |
| Barreiro to Paignton | 856.50 mi (1,378.40 km) |
| Barreiro to Paisley | 1,206.08 mi (1,940.99 km) |
| Barreiro to Palmers Green | 993.89 mi (1,599.52 km) |
| Barreiro to Parkstone | 901.53 mi (1,450.88 km) |
| Barreiro to Partick | 1,208.64 mi (1,945.11 km) |
| Barreiro to Patcham | 947.90 mi (1,525.49 km) |
| Barreiro to Peebles | 1,204.55 mi (1,938.54 km) |
| Barreiro to Pelsall | 1,022.67 mi (1,645.82 km) |
