| Le Plessis-Trevise to Oria | 934.03 mi (1,503.17 km) |
| Le Plessis-Trevise to Oristano | 682.86 mi (1,098.96 km) |
| Le Plessis-Trevise to Orta Nova | 821.56 mi (1,322.17 km) |
| Le Plessis-Trevise to Orte | 645.08 mi (1,038.15 km) |
| Le Plessis-Trevise to Ortona | 724.19 mi (1,165.47 km) |
| Le Plessis-Trevise to Orvieto | 622.51 mi (1,001.83 km) |
| Le Plessis-Trevise to Orzinuovi | 418.52 mi (673.54 km) |
| Le Plessis-Trevise to Osimo | 638.01 mi (1,026.79 km) |
| Le Plessis-Trevise to Ospitaletto | 417.68 mi (672.19 km) |
| Le Plessis-Trevise to Ostuni | 921.18 mi (1,482.50 km) |
| Le Plessis-Trevise to Ottaviano | 800.08 mi (1,287.60 km) |
| Le Plessis-Trevise to Ovada | 407.02 mi (655.04 km) |
| Le Plessis-Trevise to Ozieri | 649.69 mi (1,045.58 km) |
| Le Plessis-Trevise to Paceco | 898.66 mi (1,446.25 km) |
| Le Plessis-Trevise to Pachino | 1,046.93 mi (1,684.87 km) |
