| Highgate to Orthez | 559.27 mi (900.06 km) |
| Highgate to Orvault | 304.41 mi (489.90 km) |
| Highgate to Osny | 199.02 mi (320.29 km) |
| Highgate to Ostwald | 405.94 mi (653.30 km) |
| Highgate to Ouistreham | 158.47 mi (255.03 km) |
| Highgate to Oullins | 463.29 mi (745.60 km) |
| Highgate to Outreau | 96.31 mi (154.99 km) |
| Highgate to Oyonnax | 451.64 mi (726.84 km) |
| Highgate to Ozoir-la-Ferriere | 229.92 mi (370.02 km) |
| Highgate to Pace | 247.42 mi (398.19 km) |
| Highgate to Palaiseau | 223.97 mi (360.44 km) |
| Highgate to Pamiers | 589.90 mi (949.36 km) |
| Highgate to Panazol | 401.58 mi (646.29 km) |
| Highgate to Pantin | 216.36 mi (348.20 km) |
| Highgate to Paray-le-Monial | 402.96 mi (648.51 km) |
