| Middle River to Oswaldtwistle | 3,484.30 mi (5,607.43 km) |
| Middle River to Oswestry | 3,474.23 mi (5,591.23 km) |
| Middle River to Otley | 3,509.06 mi (5,647.28 km) |
| Middle River to Ovenden | 3,504.58 mi (5,640.07 km) |
| Middle River to Oxford | 3,568.79 mi (5,743.41 km) |
| Middle River to Oxted | 3,630.60 mi (5,842.89 km) |
| Middle River to Padbury | 3,576.65 mi (5,756.06 km) |
| Middle River to Padiham | 3,486.54 mi (5,611.04 km) |
| Middle River to Paignton | 3,500.49 mi (5,633.49 km) |
| Middle River to Paisley | 3,371.24 mi (5,425.49 km) |
| Middle River to Palmers Green | 3,618.44 mi (5,823.32 km) |
| Middle River to Parkstone | 3,562.23 mi (5,732.86 km) |
| Middle River to Partick | 3,375.11 mi (5,431.71 km) |
| Middle River to Patcham | 3,633.45 mi (5,847.48 km) |
| Middle River to Peebles | 3,421.03 mi (5,505.62 km) |
