| Saint-Chamond to Oria | 745.62 mi (1,199.96 km) |
| Saint-Chamond to Oristano | 436.95 mi (703.20 km) |
| Saint-Chamond to Orta Nova | 630.06 mi (1,013.98 km) |
| Saint-Chamond to Orte | 443.17 mi (713.21 km) |
| Saint-Chamond to Ortona | 536.88 mi (864.03 km) |
| Saint-Chamond to Orvieto | 422.09 mi (679.29 km) |
| Saint-Chamond to Orzinuovi | 262.67 mi (422.73 km) |
| Saint-Chamond to Osimo | 462.78 mi (744.77 km) |
| Saint-Chamond to Ospitaletto | 269.09 mi (433.05 km) |
| Saint-Chamond to Ostuni | 735.00 mi (1,182.87 km) |
| Saint-Chamond to Ottaviano | 594.56 mi (956.85 km) |
| Saint-Chamond to Ovada | 209.75 mi (337.56 km) |
| Saint-Chamond to Ozieri | 406.85 mi (654.77 km) |
| Saint-Chamond to Paceco | 662.42 mi (1,066.06 km) |
| Saint-Chamond to Pachino | 817.21 mi (1,315.17 km) |
