| Zagarolo to Oberriet | 411.46 mi (662.17 km) |
| Zagarolo to Obersiggenthal | 449.69 mi (723.71 km) |
| Zagarolo to Oberwil | 470.17 mi (756.66 km) |
| Zagarolo to Oberwingert | 440.41 mi (708.76 km) |
| Zagarolo to Oftringen | 449.34 mi (723.14 km) |
| Zagarolo to Olten | 451.68 mi (726.90 km) |
| Zagarolo to Onex | 449.48 mi (723.36 km) |
| Zagarolo to Opfikon | 439.96 mi (708.06 km) |
| Zagarolo to Ostermundigen | 441.17 mi (709.99 km) |
| Zagarolo to Payerne | 450.95 mi (725.74 km) |
| Zagarolo to Pfaffikon | 430.97 mi (693.59 km) |
| Zagarolo to Plan-les-Ouates | 448.13 mi (721.20 km) |
| Zagarolo to Pratteln | 466.46 mi (750.70 km) |
| Zagarolo to Prilly | 447.87 mi (720.78 km) |
| Zagarolo to Pully | 444.80 mi (715.84 km) |
