| Hadamar to Orthez | 634.99 mi (1,021.92 km) |
| Hadamar to Orvault | 490.95 mi (790.10 km) |
| Hadamar to Osny | 283.92 mi (456.93 km) |
| Hadamar to Ostwald | 132.07 mi (212.54 km) |
| Hadamar to Ouistreham | 378.55 mi (609.22 km) |
| Hadamar to Oullins | 359.66 mi (578.82 km) |
| Hadamar to Outreau | 283.73 mi (456.61 km) |
| Hadamar to Oyonnax | 309.88 mi (498.71 km) |
| Hadamar to Ozoir-la-Ferriere | 266.63 mi (429.11 km) |
| Hadamar to Pace | 469.91 mi (756.25 km) |
| Hadamar to Palaiseau | 286.23 mi (460.64 km) |
| Hadamar to Pamiers | 590.72 mi (950.67 km) |
| Hadamar to Panazol | 444.69 mi (715.66 km) |
| Hadamar to Pantin | 274.32 mi (441.48 km) |
| Hadamar to Paray-le-Monial | 329.72 mi (530.63 km) |
