| Hardenberg to Orthez | 713.27 mi (1,147.90 km) |
| Hardenberg to Orvault | 517.26 mi (832.45 km) |
| Hardenberg to Osny | 313.34 mi (504.27 km) |
| Hardenberg to Ostwald | 281.59 mi (453.17 km) |
| Hardenberg to Ouistreham | 375.57 mi (604.42 km) |
| Hardenberg to Oullins | 480.37 mi (773.08 km) |
| Hardenberg to Outreau | 250.84 mi (403.68 km) |
| Hardenberg to Oyonnax | 438.14 mi (705.13 km) |
| Hardenberg to Ozoir-la-Ferriere | 313.33 mi (504.25 km) |
| Hardenberg to Pace | 479.07 mi (771.00 km) |
| Hardenberg to Palaiseau | 327.78 mi (527.51 km) |
| Hardenberg to Pamiers | 692.57 mi (1,114.58 km) |
| Hardenberg to Panazol | 522.61 mi (841.06 km) |
| Hardenberg to Pantin | 313.38 mi (504.34 km) |
| Hardenberg to Paray-le-Monial | 437.08 mi (703.41 km) |
