| Halden to Orthez | 1,198.77 mi (1,929.23 km) |
| Halden to Orvault | 978.57 mi (1,574.86 km) |
| Halden to Osny | 791.71 mi (1,274.13 km) |
| Halden to Ostwald | 746.36 mi (1,201.16 km) |
| Halden to Ouistreham | 826.92 mi (1,330.79 km) |
| Halden to Oullins | 967.21 mi (1,556.58 km) |
| Halden to Outreau | 700.47 mi (1,127.30 km) |
| Halden to Oyonnax | 921.27 mi (1,482.64 km) |
| Halden to Ozoir-la-Ferriere | 798.02 mi (1,284.30 km) |
| Halden to Pace | 929.28 mi (1,495.53 km) |
| Halden to Palaiseau | 809.94 mi (1,303.47 km) |
| Halden to Pamiers | 1,183.19 mi (1,904.16 km) |
| Halden to Panazol | 1,010.33 mi (1,625.98 km) |
| Halden to Pantin | 795.56 mi (1,280.33 km) |
| Halden to Paray-le-Monial | 926.91 mi (1,491.72 km) |
