| Watertown Town to Norwich | 3,308.41 mi (5,324.37 km) |
| Watertown Town to Nottingham | 3,204.30 mi (5,156.82 km) |
| Watertown Town to Nuneaton | 3,200.00 mi (5,149.90 km) |
| Watertown Town to Oadby | 3,214.25 mi (5,172.84 km) |
| Watertown Town to Oakengates | 3,157.07 mi (5,080.82 km) |
| Watertown Town to Oakham | 3,226.58 mi (5,192.67 km) |
| Watertown Town to Oldbury | 3,178.25 mi (5,114.90 km) |
| Watertown Town to Oldham | 3,154.70 mi (5,077.00 km) |
| Watertown Town to Ollerton | 3,204.68 mi (5,157.43 km) |
| Watertown Town to Olton | 3,188.05 mi (5,130.67 km) |
| Watertown Town to Omagh | 2,934.14 mi (4,722.04 km) |
| Watertown Town to Ormesby | 3,173.27 mi (5,106.88 km) |
| Watertown Town to Ormskirk | 3,123.78 mi (5,027.23 km) |
| Watertown Town to Orpington | 3,287.60 mi (5,290.87 km) |
| Watertown Town to Ossett | 3,173.44 mi (5,107.16 km) |
