| Mercogliano to Orthez | 812.23 mi (1,307.16 km) |
| Mercogliano to Orvault | 920.37 mi (1,481.19 km) |
| Mercogliano to Osny | 834.60 mi (1,343.16 km) |
| Mercogliano to Ostwald | 629.31 mi (1,012.77 km) |
| Mercogliano to Ouistreham | 929.10 mi (1,495.24 km) |
| Mercogliano to Oullins | 598.48 mi (963.17 km) |
| Mercogliano to Outreau | 923.41 mi (1,486.08 km) |
| Mercogliano to Oyonnax | 584.65 mi (940.91 km) |
| Mercogliano to Ozoir-la-Ferriere | 800.54 mi (1,288.35 km) |
| Mercogliano to Pace | 951.43 mi (1,531.17 km) |
| Mercogliano to Palaiseau | 813.58 mi (1,309.33 km) |
| Mercogliano to Pamiers | 690.11 mi (1,110.63 km) |
| Mercogliano to Panazol | 753.91 mi (1,213.30 km) |
| Mercogliano to Pantin | 815.56 mi (1,312.52 km) |
| Mercogliano to Paray-le-Monial | 653.00 mi (1,050.90 km) |
