| Harsum to Orthez | 779.57 mi (1,254.60 km) |
| Harsum to Orvault | 618.31 mi (995.08 km) |
| Harsum to Osny | 408.38 mi (657.22 km) |
| Harsum to Ostwald | 271.16 mi (436.39 km) |
| Harsum to Ouistreham | 489.82 mi (788.30 km) |
| Harsum to Oullins | 505.38 mi (813.33 km) |
| Harsum to Outreau | 374.59 mi (602.85 km) |
| Harsum to Oyonnax | 454.43 mi (731.33 km) |
| Harsum to Ozoir-la-Ferriere | 397.79 mi (640.18 km) |
| Harsum to Pace | 589.09 mi (948.05 km) |
| Harsum to Palaiseau | 415.96 mi (669.42 km) |
| Harsum to Pamiers | 737.37 mi (1,186.69 km) |
| Harsum to Panazol | 588.34 mi (946.85 km) |
| Harsum to Pantin | 402.63 mi (647.96 km) |
| Harsum to Paray-le-Monial | 476.35 mi (766.62 km) |
