| Powell to Octeville | 3,840.95 mi (6,181.42 km) |
| Powell to Oignies | 4,003.34 mi (6,442.76 km) |
| Powell to Oissel | 3,960.78 mi (6,374.26 km) |
| Powell to Olivet | 4,038.88 mi (6,499.94 km) |
| Powell to Ollioules | 4,364.03 mi (7,023.22 km) |
| Powell to Olonne-sur-Mer | 3,924.34 mi (6,315.62 km) |
| Powell to Oloron-Sainte-Marie | 4,079.18 mi (6,564.80 km) |
| Powell to Onet Village | 4,181.07 mi (6,728.79 km) |
| Powell to Onnaing | 4,029.71 mi (6,485.19 km) |
| Powell to Orange | 4,284.24 mi (6,894.82 km) |
| Powell to Orchies | 4,013.08 mi (6,458.44 km) |
| Powell to Orleans | 4,038.03 mi (6,498.57 km) |
| Powell to Orly | 4,031.86 mi (6,488.65 km) |
| Powell to Ormesson-sur-Marne | 4,036.49 mi (6,496.11 km) |
| Powell to Orsay | 4,024.89 mi (6,477.44 km) |
