| Hammond to Octeville | 3,955.29 mi (6,365.43 km) |
| Hammond to Oignies | 4,107.92 mi (6,611.06 km) |
| Hammond to Oissel | 4,072.62 mi (6,554.25 km) |
| Hammond to Olivet | 4,155.53 mi (6,687.68 km) |
| Hammond to Ollioules | 4,492.17 mi (7,229.45 km) |
| Hammond to Olonne-sur-Mer | 4,051.51 mi (6,520.28 km) |
| Hammond to Oloron-Sainte-Marie | 4,217.38 mi (6,787.22 km) |
| Hammond to Onet Village | 4,310.04 mi (6,936.34 km) |
| Hammond to Onnaing | 4,133.78 mi (6,652.67 km) |
| Hammond to Orange | 4,410.52 mi (7,098.05 km) |
| Hammond to Orchies | 4,117.29 mi (6,626.14 km) |
| Hammond to Orleans | 4,154.51 mi (6,686.04 km) |
| Hammond to Orly | 4,144.30 mi (6,669.60 km) |
| Hammond to Ormesson-sur-Marne | 4,148.55 mi (6,676.45 km) |
| Hammond to Orsay | 4,137.81 mi (6,659.15 km) |
