| Middle Island to Oswaldtwistle | 3,276.09 mi (5,272.36 km) |
| Middle Island to Oswestry | 3,265.14 mi (5,254.73 km) |
| Middle Island to Otley | 3,301.12 mi (5,312.64 km) |
| Middle Island to Ovenden | 3,296.45 mi (5,305.13 km) |
| Middle Island to Oxford | 3,359.07 mi (5,405.90 km) |
| Middle Island to Oxted | 3,420.71 mi (5,505.09 km) |
| Middle Island to Padbury | 3,367.14 mi (5,418.88 km) |
| Middle Island to Padiham | 3,278.40 mi (5,276.08 km) |
| Middle Island to Paignton | 3,289.60 mi (5,294.11 km) |
| Middle Island to Paisley | 3,164.99 mi (5,093.55 km) |
| Middle Island to Palmers Green | 3,408.79 mi (5,485.92 km) |
| Middle Island to Parkstone | 3,351.70 mi (5,394.05 km) |
| Middle Island to Partick | 3,168.90 mi (5,099.85 km) |
| Middle Island to Patcham | 3,423.27 mi (5,509.22 km) |
| Middle Island to Peebles | 3,214.73 mi (5,173.60 km) |
