| Cities | Distance |
|---|---|
| Frosinone to Oria | 236.44 mi (380.51 km) |
| Frosinone to Oristano | 276.07 mi (444.29 km) |
| Frosinone to Orta Nova | 124.00 mi (199.56 km) |
| Frosinone to Orte | 75.57 mi (121.62 km) |
| Frosinone to Ortona | 73.21 mi (117.82 km) |
| Frosinone to Orvieto | 98.23 mi (158.08 km) |
| Frosinone to Orzinuovi | 311.44 mi (501.22 km) |
| Frosinone to Osimo | 128.00 mi (206.00 km) |
| Frosinone to Ospitaletto | 316.66 mi (509.62 km) |
| Frosinone to Ostuni | 228.72 mi (368.09 km) |
| Frosinone to Ottaviano | 79.75 mi (128.35 km) |
| Frosinone to Ovada | 315.14 mi (507.17 km) |
| Frosinone to Ozieri | 237.56 mi (382.32 km) |
| Frosinone to Paceco | 255.74 mi (411.57 km) |
| Frosinone to Pachino | 352.38 mi (567.09 km) |