| Comacchio to Orthez | 647.54 mi (1,042.12 km) |
| Comacchio to Orvault | 685.17 mi (1,102.68 km) |
| Comacchio to Osny | 564.25 mi (908.07 km) |
| Comacchio to Ostwald | 340.14 mi (547.41 km) |
| Comacchio to Ouistreham | 665.14 mi (1,070.44 km) |
| Comacchio to Oullins | 365.65 mi (588.46 km) |
| Comacchio to Outreau | 642.75 mi (1,034.41 km) |
| Comacchio to Oyonnax | 333.90 mi (537.37 km) |
| Comacchio to Ozoir-la-Ferriere | 530.34 mi (853.50 km) |
| Comacchio to Pace | 704.92 mi (1,134.45 km) |
| Comacchio to Palaiseau | 545.83 mi (878.43 km) |
| Comacchio to Pamiers | 537.12 mi (864.41 km) |
| Comacchio to Panazol | 534.12 mi (859.58 km) |
| Comacchio to Pantin | 545.37 mi (877.69 km) |
| Comacchio to Paray-le-Monial | 408.11 mi (656.80 km) |
