| Zagarolo to Orthez | 699.79 mi (1,126.21 km) |
| Zagarolo to Orvault | 803.10 mi (1,292.47 km) |
| Zagarolo to Osny | 721.09 mi (1,160.48 km) |
| Zagarolo to Ostwald | 526.57 mi (847.43 km) |
| Zagarolo to Ouistreham | 814.01 mi (1,310.02 km) |
| Zagarolo to Oullins | 481.53 mi (774.95 km) |
| Zagarolo to Outreau | 812.94 mi (1,308.31 km) |
| Zagarolo to Oyonnax | 469.19 mi (755.08 km) |
| Zagarolo to Ozoir-la-Ferriere | 687.13 mi (1,105.83 km) |
| Zagarolo to Pace | 834.49 mi (1,342.98 km) |
| Zagarolo to Palaiseau | 699.56 mi (1,125.83 km) |
| Zagarolo to Pamiers | 578.29 mi (930.67 km) |
| Zagarolo to Panazol | 636.70 mi (1,024.67 km) |
| Zagarolo to Pantin | 702.08 mi (1,129.89 km) |
| Zagarolo to Paray-le-Monial | 536.57 mi (863.53 km) |
