| Sierpc to Orthez | 1,137.14 mi (1,830.05 km) |
| Sierpc to Orvault | 1,015.69 mi (1,634.59 km) |
| Sierpc to Osny | 807.76 mi (1,299.96 km) |
| Sierpc to Ostwald | 601.43 mi (967.91 km) |
| Sierpc to Ouistreham | 896.68 mi (1,443.07 km) |
| Sierpc to Oullins | 830.11 mi (1,335.94 km) |
| Sierpc to Outreau | 784.65 mi (1,262.77 km) |
| Sierpc to Oyonnax | 774.87 mi (1,247.04 km) |
| Sierpc to Ozoir-la-Ferriere | 791.37 mi (1,273.59 km) |
| Sierpc to Pace | 992.70 mi (1,597.60 km) |
| Sierpc to Palaiseau | 810.96 mi (1,305.11 km) |
| Sierpc to Pamiers | 1,068.23 mi (1,719.14 km) |
| Sierpc to Panazol | 954.74 mi (1,536.50 km) |
| Sierpc to Pantin | 798.92 mi (1,285.74 km) |
| Sierpc to Paray-le-Monial | 822.53 mi (1,323.73 km) |
