| Gloucester to Orthez | 582.76 mi (937.86 km) |
| Gloucester to Orvault | 318.54 mi (512.65 km) |
| Gloucester to Osny | 270.93 mi (436.02 km) |
| Gloucester to Ostwald | 495.72 mi (797.78 km) |
| Gloucester to Ouistreham | 198.73 mi (319.82 km) |
| Gloucester to Oullins | 532.01 mi (856.18 km) |
| Gloucester to Outreau | 184.20 mi (296.45 km) |
| Gloucester to Oyonnax | 526.74 mi (847.70 km) |
| Gloucester to Ozoir-la-Ferriere | 304.29 mi (489.70 km) |
| Gloucester to Pace | 257.64 mi (414.63 km) |
| Gloucester to Palaiseau | 294.26 mi (473.57 km) |
| Gloucester to Pamiers | 630.42 mi (1,014.57 km) |
| Gloucester to Panazol | 446.45 mi (718.49 km) |
| Gloucester to Pantin | 289.63 mi (466.12 km) |
| Gloucester to Paray-le-Monial | 471.40 mi (758.65 km) |
