| Watertown Town to Oswaldtwistle | 3,140.21 mi (5,053.69 km) |
| Watertown Town to Oswestry | 3,129.75 mi (5,036.85 km) |
| Watertown Town to Otley | 3,165.12 mi (5,093.77 km) |
| Watertown Town to Ovenden | 3,160.54 mi (5,086.39 km) |
| Watertown Town to Oxford | 3,224.12 mi (5,188.72 km) |
| Watertown Town to Oxted | 3,285.90 mi (5,288.14 km) |
| Watertown Town to Padbury | 3,232.03 mi (5,201.45 km) |
| Watertown Town to Padiham | 3,142.49 mi (5,057.35 km) |
| Watertown Town to Paignton | 3,155.78 mi (5,078.74 km) |
| Watertown Town to Paisley | 3,028.38 mi (4,873.70 km) |
| Watertown Town to Palmers Green | 3,273.79 mi (5,268.66 km) |
| Watertown Town to Parkstone | 3,217.48 mi (5,178.03 km) |
| Watertown Town to Partick | 3,032.28 mi (4,879.98 km) |
| Watertown Town to Patcham | 3,288.71 mi (5,292.67 km) |
| Watertown Town to Peebles | 3,078.13 mi (4,953.78 km) |
