| Lancon-Provence to Oria | 675.47 mi (1,087.07 km) |
| Lancon-Provence to Oristano | 311.00 mi (500.50 km) |
| Lancon-Provence to Orta Nova | 561.18 mi (903.13 km) |
| Lancon-Provence to Orte | 374.72 mi (603.06 km) |
| Lancon-Provence to Ortona | 476.27 mi (766.49 km) |
| Lancon-Provence to Orvieto | 356.96 mi (574.47 km) |
| Lancon-Provence to Orzinuovi | 267.67 mi (430.77 km) |
| Lancon-Provence to Osimo | 418.38 mi (673.32 km) |
| Lancon-Provence to Ospitaletto | 278.55 mi (448.29 km) |
| Lancon-Provence to Ostuni | 667.02 mi (1,073.46 km) |
| Lancon-Provence to Ottaviano | 514.18 mi (827.49 km) |
| Lancon-Provence to Ovada | 188.89 mi (303.99 km) |
| Lancon-Provence to Ozieri | 287.45 mi (462.60 km) |
| Lancon-Provence to Paceco | 548.15 mi (882.16 km) |
| Lancon-Provence to Pachino | 708.28 mi (1,139.87 km) |
