| Somerset to Oswaldtwistle | 3,354.67 mi (5,398.82 km) |
| Somerset to Oswestry | 3,344.45 mi (5,382.38 km) |
| Somerset to Otley | 3,379.49 mi (5,438.76 km) |
| Somerset to Ovenden | 3,374.97 mi (5,431.48 km) |
| Somerset to Oxford | 3,438.94 mi (5,534.44 km) |
| Somerset to Oxted | 3,500.74 mi (5,633.90 km) |
| Somerset to Padbury | 3,446.82 mi (5,547.12 km) |
| Somerset to Padiham | 3,356.93 mi (5,402.45 km) |
| Somerset to Paignton | 3,370.62 mi (5,424.48 km) |
| Somerset to Paisley | 3,242.06 mi (5,217.59 km) |
| Somerset to Palmers Green | 3,488.60 mi (5,614.36 km) |
| Somerset to Parkstone | 3,432.35 mi (5,523.83 km) |
| Somerset to Partick | 3,245.94 mi (5,223.84 km) |
| Somerset to Patcham | 3,503.57 mi (5,638.46 km) |
| Somerset to Peebles | 3,291.84 mi (5,297.70 km) |
