| Reading to Orthez | 550.48 mi (885.92 km) |
| Reading to Orvault | 290.45 mi (467.44 km) |
| Reading to Osny | 212.95 mi (342.71 km) |
| Reading to Ostwald | 434.42 mi (699.13 km) |
| Reading to Ouistreham | 153.54 mi (247.10 km) |
| Reading to Oullins | 476.19 mi (766.35 km) |
| Reading to Outreau | 122.89 mi (197.77 km) |
| Reading to Oyonnax | 468.44 mi (753.88 km) |
| Reading to Ozoir-la-Ferriere | 245.67 mi (395.37 km) |
| Reading to Pace | 231.22 mi (372.11 km) |
| Reading to Palaiseau | 237.01 mi (381.43 km) |
| Reading to Pamiers | 588.58 mi (947.22 km) |
| Reading to Panazol | 401.68 mi (646.44 km) |
| Reading to Pantin | 231.31 mi (372.26 km) |
| Reading to Paray-le-Monial | 415.57 mi (668.79 km) |
