| Merrifield to Octeville | 3,653.33 mi (5,879.47 km) |
| Merrifield to Oignies | 3,826.58 mi (6,158.28 km) |
| Merrifield to Oissel | 3,775.45 mi (6,076.00 km) |
| Merrifield to Olivet | 3,847.29 mi (6,191.61 km) |
| Merrifield to Ollioules | 4,157.07 mi (6,690.16 km) |
| Merrifield to Olonne-sur-Mer | 3,720.78 mi (5,988.01 km) |
| Merrifield to Oloron-Sainte-Marie | 3,861.72 mi (6,214.83 km) |
| Merrifield to Onet Village | 3,974.03 mi (6,395.58 km) |
| Merrifield to Onnaing | 3,853.40 mi (6,201.45 km) |
| Merrifield to Orange | 4,079.87 mi (6,565.92 km) |
| Merrifield to Orchies | 3,836.71 mi (6,174.59 km) |
| Merrifield to Orleans | 3,846.64 mi (6,190.57 km) |
| Merrifield to Orly | 3,845.40 mi (6,188.57 km) |
| Merrifield to Ormesson-sur-Marne | 3,850.46 mi (6,196.71 km) |
| Merrifield to Orsay | 3,837.89 mi (6,176.49 km) |
