| Castelletto sopra Ticino to Orthez | 487.23 mi (784.12 km) |
| Castelletto sopra Ticino to Orvault | 499.12 mi (803.25 km) |
| Castelletto sopra Ticino to Osny | 384.23 mi (618.36 km) |
| Castelletto sopra Ticino to Ostwald | 200.55 mi (322.75 km) |
| Castelletto sopra Ticino to Ouistreham | 482.10 mi (775.87 km) |
| Castelletto sopra Ticino to Oullins | 184.51 mi (296.94 km) |
| Castelletto sopra Ticino to Outreau | 472.65 mi (760.66 km) |
| Castelletto sopra Ticino to Oyonnax | 147.72 mi (237.73 km) |
| Castelletto sopra Ticino to Ozoir-la-Ferriere | 350.12 mi (563.47 km) |
| Castelletto sopra Ticino to Pace | 518.46 mi (834.39 km) |
| Castelletto sopra Ticino to Palaiseau | 364.18 mi (586.09 km) |
| Castelletto sopra Ticino to Pamiers | 390.17 mi (627.92 km) |
| Castelletto sopra Ticino to Panazol | 352.88 mi (567.90 km) |
| Castelletto sopra Ticino to Pantin | 365.19 mi (587.72 km) |
| Castelletto sopra Ticino to Paray-le-Monial | 222.16 mi (357.53 km) |
