| Excelsior Springs to Octeville | 4,325.07 mi (6,960.52 km) |
| Excelsior Springs to Oignies | 4,472.18 mi (7,197.27 km) |
| Excelsior Springs to Oissel | 4,440.90 mi (7,146.94 km) |
| Excelsior Springs to Olivet | 4,526.14 mi (7,284.11 km) |
| Excelsior Springs to Ollioules | 4,867.71 mi (7,833.82 km) |
| Excelsior Springs to Olonne-sur-Mer | 4,427.16 mi (7,124.83 km) |
| Excelsior Springs to Oloron-Sainte-Marie | 4,597.24 mi (7,398.54 km) |
| Excelsior Springs to Onet Village | 4,686.15 mi (7,541.62 km) |
| Excelsior Springs to Onnaing | 4,497.70 mi (7,238.34 km) |
| Excelsior Springs to Orange | 4,785.33 mi (7,701.25 km) |
| Excelsior Springs to Orchies | 4,481.32 mi (7,211.98 km) |
| Excelsior Springs to Orleans | 4,525.04 mi (7,282.35 km) |
| Excelsior Springs to Orly | 4,512.77 mi (7,262.59 km) |
| Excelsior Springs to Ormesson-sur-Marne | 4,516.82 mi (7,269.12 km) |
| Excelsior Springs to Orsay | 4,506.54 mi (7,252.57 km) |
