| Castelsarrasin to Orvault | 259.25 mi (417.23 km) |
| Castelsarrasin to Osny | 349.74 mi (562.86 km) |
| Castelsarrasin to Ostwald | 443.11 mi (713.12 km) |
| Castelsarrasin to Ouistreham | 367.72 mi (591.79 km) |
| Castelsarrasin to Oullins | 214.99 mi (345.99 km) |
| Castelsarrasin to Outreau | 460.99 mi (741.89 km) |
| Castelsarrasin to Oyonnax | 269.33 mi (433.45 km) |
| Castelsarrasin to Ozoir-la-Ferriere | 335.81 mi (540.44 km) |
| Castelsarrasin to Pace | 315.55 mi (507.83 km) |
| Castelsarrasin to Palaiseau | 327.50 mi (527.05 km) |
| Castelsarrasin to Pamiers | 68.62 mi (110.43 km) |
| Castelsarrasin to Panazol | 124.69 mi (200.67 km) |
| Castelsarrasin to Pantin | 341.15 mi (549.03 km) |
| Castelsarrasin to Paray-le-Monial | 221.84 mi (357.02 km) |
| Castelsarrasin to Parempuyre | 105.19 mi (169.28 km) |
