| Harlau to Orthez | 1,361.31 mi (2,190.82 km) |
| Harlau to Orvault | 1,328.24 mi (2,137.59 km) |
| Harlau to Osny | 1,143.75 mi (1,840.69 km) |
| Harlau to Ostwald | 888.77 mi (1,430.34 km) |
| Harlau to Ouistreham | 1,247.23 mi (2,007.22 km) |
| Harlau to Oullins | 1,052.90 mi (1,694.49 km) |
| Harlau to Outreau | 1,162.22 mi (1,870.42 km) |
| Harlau to Oyonnax | 1,004.67 mi (1,616.86 km) |
| Harlau to Ozoir-la-Ferriere | 1,117.17 mi (1,797.92 km) |
| Harlau to Pace | 1,324.83 mi (2,132.10 km) |
| Harlau to Palaiseau | 1,137.25 mi (1,830.22 km) |
| Harlau to Pamiers | 1,259.67 mi (2,027.24 km) |
| Harlau to Panazol | 1,214.05 mi (1,953.83 km) |
| Harlau to Pantin | 1,129.19 mi (1,817.25 km) |
| Harlau to Paray-le-Monial | 1,073.47 mi (1,727.58 km) |
