| Grottammare to Orthez | 736.58 mi (1,185.42 km) |
| Grottammare to Orvault | 809.14 mi (1,302.18 km) |
| Grottammare to Osny | 703.32 mi (1,131.89 km) |
| Grottammare to Ostwald | 485.01 mi (780.55 km) |
| Grottammare to Ouistreham | 801.88 mi (1,290.50 km) |
| Grottammare to Oullins | 485.13 mi (780.75 km) |
| Grottammare to Outreau | 785.80 mi (1,264.62 km) |
| Grottammare to Oyonnax | 462.21 mi (743.86 km) |
| Grottammare to Ozoir-la-Ferriere | 669.24 mi (1,077.04 km) |
| Grottammare to Pace | 834.18 mi (1,342.49 km) |
| Grottammare to Palaiseau | 683.76 mi (1,100.41 km) |
| Grottammare to Pamiers | 618.24 mi (994.96 km) |
| Grottammare to Panazol | 649.37 mi (1,045.06 km) |
| Grottammare to Pantin | 684.32 mi (1,101.31 km) |
| Grottammare to Paray-le-Monial | 534.42 mi (860.06 km) |
