| Glassmanor to Octeville | 3,644.69 mi (5,865.57 km) |
| Glassmanor to Oignies | 3,818.40 mi (6,145.12 km) |
| Glassmanor to Oissel | 3,766.90 mi (6,062.24 km) |
| Glassmanor to Olivet | 3,838.44 mi (6,177.38 km) |
| Glassmanor to Ollioules | 4,147.50 mi (6,674.76 km) |
| Glassmanor to Olonne-sur-Mer | 3,711.41 mi (5,972.94 km) |
| Glassmanor to Oloron-Sainte-Marie | 3,851.72 mi (6,198.74 km) |
| Glassmanor to Onet Village | 3,964.48 mi (6,380.21 km) |
| Glassmanor to Onnaing | 3,845.24 mi (6,188.31 km) |
| Glassmanor to Orange | 4,070.43 mi (6,550.72 km) |
| Glassmanor to Orchies | 3,828.55 mi (6,161.45 km) |
| Glassmanor to Orleans | 3,837.81 mi (6,176.35 km) |
| Glassmanor to Orly | 3,836.78 mi (6,174.70 km) |
| Glassmanor to Ormesson-sur-Marne | 3,841.86 mi (6,182.87 km) |
| Glassmanor to Orsay | 3,829.25 mi (6,162.59 km) |
