| Watertown to Orthez | 3,612.45 mi (5,813.68 km) |
| Watertown to Orvault | 3,457.29 mi (5,563.97 km) |
| Watertown to Osny | 3,557.08 mi (5,724.57 km) |
| Watertown to Ostwald | 3,801.27 mi (6,117.56 km) |
| Watertown to Ouistreham | 3,455.75 mi (5,561.49 km) |
| Watertown to Oullins | 3,778.22 mi (6,080.47 km) |
| Watertown to Outreau | 3,489.87 mi (5,616.40 km) |
| Watertown to Oyonnax | 3,795.19 mi (6,107.77 km) |
| Watertown to Ozoir-la-Ferriere | 3,590.81 mi (5,778.85 km) |
| Watertown to Pace | 3,425.36 mi (5,512.59 km) |
| Watertown to Palaiseau | 3,575.02 mi (5,753.44 km) |
| Watertown to Pamiers | 3,729.60 mi (6,002.20 km) |
| Watertown to Panazol | 3,626.16 mi (5,835.74 km) |
| Watertown to Pantin | 3,575.83 mi (5,754.75 km) |
| Watertown to Paray-le-Monial | 3,724.64 mi (5,994.24 km) |
