| Castellamonte to Orthez | 438.24 mi (705.28 km) |
| Castellamonte to Orvault | 463.79 mi (746.39 km) |
| Castellamonte to Osny | 367.01 mi (590.65 km) |
| Castellamonte to Ostwald | 218.96 mi (352.39 km) |
| Castellamonte to Ouistreham | 459.84 mi (740.05 km) |
| Castellamonte to Oullins | 142.37 mi (229.12 km) |
| Castellamonte to Outreau | 463.44 mi (745.83 km) |
| Castellamonte to Oyonnax | 115.98 mi (186.66 km) |
| Castellamonte to Ozoir-la-Ferriere | 333.20 mi (536.23 km) |
| Castellamonte to Pace | 487.51 mi (784.57 km) |
| Castellamonte to Palaiseau | 345.16 mi (555.48 km) |
| Castellamonte to Pamiers | 340.00 mi (547.18 km) |
| Castellamonte to Panazol | 310.95 mi (500.43 km) |
| Castellamonte to Pantin | 348.06 mi (560.15 km) |
| Castellamonte to Paray-le-Monial | 187.81 mi (302.25 km) |
