| Glassmanor to Orangevale (California) | 2,359.66 mi (3,797.50 km) |
| Glassmanor to Orchards (Washington) | 2,344.40 mi (3,772.94 km) |
| Glassmanor to Orcutt (California) | 2,394.79 mi (3,854.04 km) |
| Glassmanor to Oregon (Ohio) | 392.33 mi (631.40 km) |
| Glassmanor to Oregon (Wisconsin) | 706.66 mi (1,137.25 km) |
| Glassmanor to Oregon City (Oregon) | 2,349.53 mi (3,781.21 km) |
| Glassmanor to Orem (Utah) | 1,840.29 mi (2,961.66 km) |
| Glassmanor to Orinda (California) | 2,424.42 mi (3,901.73 km) |
| Glassmanor to Orland Park (Illinois) | 604.97 mi (973.61 km) |
| Glassmanor to Orlando (Florida) | 756.82 mi (1,217.99 km) |
| Glassmanor to Ormond Beach (Florida) | 698.48 mi (1,124.10 km) |
| Glassmanor to Oro Valley (Arizona) | 1,947.84 mi (3,134.75 km) |
| Glassmanor to Oroville (California) | 2,363.95 mi (3,804.41 km) |
| Glassmanor to Oshkosh (Wisconsin) | 698.45 mi (1,124.05 km) |
| Glassmanor to Oskaloosa (Iowa) | 844.25 mi (1,358.69 km) |
