| La Seyne-sur-Mer to Oria | 630.70 mi (1,015.02 km) |
| La Seyne-sur-Mer to Oristano | 261.41 mi (420.69 km) |
| La Seyne-sur-Mer to Orta Nova | 517.24 mi (832.42 km) |
| La Seyne-sur-Mer to Orte | 332.65 mi (535.34 km) |
| La Seyne-sur-Mer to Ortona | 435.20 mi (700.39 km) |
| La Seyne-sur-Mer to Orvieto | 316.17 mi (508.82 km) |
| La Seyne-sur-Mer to Orzinuovi | 255.75 mi (411.59 km) |
| La Seyne-sur-Mer to Osimo | 383.01 mi (616.39 km) |
| La Seyne-sur-Mer to Ospitaletto | 267.66 mi (430.75 km) |
| La Seyne-sur-Mer to Ostuni | 622.79 mi (1,002.29 km) |
| La Seyne-sur-Mer to Ottaviano | 467.78 mi (752.81 km) |
| La Seyne-sur-Mer to Ovada | 173.93 mi (279.91 km) |
| La Seyne-sur-Mer to Ozieri | 236.60 mi (380.76 km) |
| La Seyne-sur-Mer to Paceco | 497.20 mi (800.16 km) |
| La Seyne-sur-Mer to Pachino | 657.40 mi (1,057.98 km) |
