| Diamond Bar to Oswaldtwistle | 5,257.21 mi (8,460.67 km) |
| Diamond Bar to Oswestry | 5,274.83 mi (8,489.02 km) |
| Diamond Bar to Otley | 5,272.19 mi (8,484.77 km) |
| Diamond Bar to Ovenden | 5,273.40 mi (8,486.71 km) |
| Diamond Bar to Oxford | 5,382.14 mi (8,661.72 km) |
| Diamond Bar to Oxted | 5,445.18 mi (8,763.17 km) |
| Diamond Bar to Padbury | 5,382.14 mi (8,661.72 km) |
| Diamond Bar to Padiham | 5,257.42 mi (8,461.00 km) |
| Diamond Bar to Paignton | 5,363.96 mi (8,632.47 km) |
| Diamond Bar to Paisley | 5,103.40 mi (8,213.13 km) |
| Diamond Bar to Palmers Green | 5,425.32 mi (8,731.20 km) |
| Diamond Bar to Parkstone | 5,406.15 mi (8,700.35 km) |
| Diamond Bar to Partick | 5,105.79 mi (8,216.98 km) |
| Diamond Bar to Patcham | 5,458.53 mi (8,784.66 km) |
| Diamond Bar to Peebles | 5,149.45 mi (8,287.24 km) |
