| Smithfield to Octeville | 4,838.22 mi (7,786.36 km) |
| Smithfield to Oignies | 4,948.26 mi (7,963.45 km) |
| Smithfield to Oissel | 4,941.67 mi (7,952.85 km) |
| Smithfield to Olivet | 5,039.26 mi (8,109.91 km) |
| Smithfield to Ollioules | 5,406.84 mi (8,701.46 km) |
| Smithfield to Olonne-sur-Mer | 4,977.47 mi (8,010.46 km) |
| Smithfield to Oloron-Sainte-Marie | 5,177.44 mi (8,332.29 km) |
| Smithfield to Onet Village | 5,233.74 mi (8,422.90 km) |
| Smithfield to Onnaing | 4,971.11 mi (8,000.24 km) |
| Smithfield to Orange | 5,320.95 mi (8,563.24 km) |
| Smithfield to Orchies | 4,955.83 mi (7,975.65 km) |
| Smithfield to Orleans | 5,037.67 mi (8,107.35 km) |
| Smithfield to Orly | 5,012.75 mi (8,067.24 km) |
| Smithfield to Ormesson-sur-Marne | 5,015.43 mi (8,071.56 km) |
| Smithfield to Orsay | 5,008.29 mi (8,060.07 km) |
