| Middlesex to Orthez | 3,660.93 mi (5,891.69 km) |
| Middlesex to Orvault | 3,522.73 mi (5,669.28 km) |
| Middlesex to Osny | 3,636.26 mi (5,851.99 km) |
| Middlesex to Ostwald | 3,886.17 mi (6,254.18 km) |
| Middlesex to Ouistreham | 3,532.89 mi (5,685.63 km) |
| Middlesex to Oullins | 3,846.16 mi (6,189.80 km) |
| Middlesex to Outreau | 3,576.24 mi (5,755.39 km) |
| Middlesex to Oyonnax | 3,866.89 mi (6,223.16 km) |
| Middlesex to Ozoir-la-Ferriere | 3,669.52 mi (5,905.52 km) |
| Middlesex to Pace | 3,494.92 mi (5,624.53 km) |
| Middlesex to Palaiseau | 3,652.83 mi (5,878.66 km) |
| Middlesex to Pamiers | 3,780.44 mi (6,084.02 km) |
| Middlesex to Panazol | 3,689.11 mi (5,937.04 km) |
| Middlesex to Pantin | 3,654.71 mi (5,881.69 km) |
| Middlesex to Paray-le-Monial | 3,794.79 mi (6,107.13 km) |
