| Chateau-Gontier to Oria | 1,036.62 mi (1,668.28 km) |
| Chateau-Gontier to Oristano | 715.89 mi (1,152.11 km) |
| Chateau-Gontier to Orta Nova | 921.50 mi (1,483.01 km) |
| Chateau-Gontier to Orte | 736.45 mi (1,185.20 km) |
| Chateau-Gontier to Ortona | 826.32 mi (1,329.83 km) |
| Chateau-Gontier to Orvieto | 714.80 mi (1,150.37 km) |
| Chateau-Gontier to Orzinuovi | 531.43 mi (855.26 km) |
| Chateau-Gontier to Osimo | 746.55 mi (1,201.46 km) |
| Chateau-Gontier to Ospitaletto | 533.79 mi (859.06 km) |
| Chateau-Gontier to Ostuni | 1,025.22 mi (1,649.94 km) |
| Chateau-Gontier to Ottaviano | 889.34 mi (1,431.25 km) |
| Chateau-Gontier to Ovada | 497.76 mi (801.06 km) |
| Chateau-Gontier to Ozieri | 692.92 mi (1,115.14 km) |
| Chateau-Gontier to Paceco | 952.72 mi (1,533.25 km) |
| Chateau-Gontier to Pachino | 1,110.49 mi (1,787.16 km) |
