| Halstead to Orthez | 587.97 mi (946.24 km) |
| Halstead to Orvault | 338.39 mi (544.58 km) |
| Halstead to Osny | 208.94 mi (336.26 km) |
| Halstead to Ostwald | 390.40 mi (628.29 km) |
| Halstead to Ouistreham | 188.37 mi (303.14 km) |
| Halstead to Oullins | 470.14 mi (756.63 km) |
| Halstead to Outreau | 95.11 mi (153.07 km) |
| Halstead to Oyonnax | 453.58 mi (729.96 km) |
| Halstead to Ozoir-la-Ferriere | 236.54 mi (380.67 km) |
| Halstead to Pace | 283.36 mi (456.03 km) |
| Halstead to Palaiseau | 234.15 mi (376.83 km) |
| Halstead to Pamiers | 611.66 mi (984.38 km) |
| Halstead to Panazol | 422.99 mi (680.73 km) |
| Halstead to Pantin | 224.42 mi (361.17 km) |
| Halstead to Paray-le-Monial | 410.68 mi (660.92 km) |
