| Callaway to Octeville | 4,406.54 mi (7,091.64 km) |
| Callaway to Oignies | 4,584.38 mi (7,377.85 km) |
| Callaway to Oissel | 4,529.51 mi (7,289.55 km) |
| Callaway to Olivet | 4,597.82 mi (7,399.47 km) |
| Callaway to Ollioules | 4,896.18 mi (7,879.65 km) |
| Callaway to Olonne-sur-Mer | 4,464.02 mi (7,184.15 km) |
| Callaway to Oloron-Sainte-Marie | 4,593.06 mi (7,391.81 km) |
| Callaway to Onet Village | 4,713.74 mi (7,586.04 km) |
| Callaway to Onnaing | 4,611.34 mi (7,421.24 km) |
| Callaway to Orange | 4,821.25 mi (7,759.05 km) |
| Callaway to Orchies | 4,594.65 mi (7,394.38 km) |
| Callaway to Orleans | 4,597.29 mi (7,398.62 km) |
| Callaway to Orly | 4,598.71 mi (7,400.91 km) |
| Callaway to Ormesson-sur-Marne | 4,603.98 mi (7,409.38 km) |
| Callaway to Orsay | 4,590.95 mi (7,388.42 km) |
