| Castellammare del Golfo to Orthez | 806.60 mi (1,298.09 km) |
| Castellammare del Golfo to Orvault | 972.50 mi (1,565.09 km) |
| Castellammare del Golfo to Osny | 933.20 mi (1,501.83 km) |
| Castellammare del Golfo to Ostwald | 771.76 mi (1,242.03 km) |
| Castellammare del Golfo to Ouistreham | 1,014.81 mi (1,633.18 km) |
| Castellammare del Golfo to Oullins | 673.56 mi (1,084.00 km) |
| Castellammare del Golfo to Outreau | 1,035.69 mi (1,666.78 km) |
| Castellammare del Golfo to Oyonnax | 677.82 mi (1,090.85 km) |
| Castellammare del Golfo to Ozoir-la-Ferriere | 900.49 mi (1,449.21 km) |
| Castellammare del Golfo to Pace | 1,014.54 mi (1,632.75 km) |
| Castellammare del Golfo to Palaiseau | 909.52 mi (1,463.73 km) |
| Castellammare del Golfo to Pamiers | 687.25 mi (1,106.02 km) |
| Castellammare del Golfo to Panazol | 801.67 mi (1,290.16 km) |
| Castellammare del Golfo to Pantin | 914.78 mi (1,472.20 km) |
| Castellammare del Golfo to Paray-le-Monial | 733.65 mi (1,180.70 km) |
