| Ferentino to Orthez | 723.16 mi (1,163.82 km) |
| Ferentino to Orvault | 826.77 mi (1,330.55 km) |
| Ferentino to Osny | 743.28 mi (1,196.19 km) |
| Ferentino to Ostwald | 545.58 mi (878.02 km) |
| Ferentino to Ouistreham | 836.72 mi (1,346.57 km) |
| Ferentino to Oullins | 504.97 mi (812.66 km) |
| Ferentino to Outreau | 834.24 mi (1,342.58 km) |
| Ferentino to Oyonnax | 491.99 mi (791.78 km) |
| Ferentino to Ozoir-la-Ferriere | 709.28 mi (1,141.48 km) |
| Ferentino to Pace | 857.92 mi (1,380.69 km) |
| Ferentino to Palaiseau | 721.91 mi (1,161.79 km) |
| Ferentino to Pamiers | 601.55 mi (968.10 km) |
| Ferentino to Panazol | 660.49 mi (1,062.95 km) |
| Ferentino to Pantin | 724.26 mi (1,165.58 km) |
| Ferentino to Paray-le-Monial | 559.76 mi (900.84 km) |
