| Glassmanor to Odessa (Texas) | 1,501.67 mi (2,416.70 km) |
| Glassmanor to Ogden (Utah) | 1,846.04 mi (2,970.91 km) |
| Glassmanor to Oildale (California) | 2,307.83 mi (3,714.10 km) |
| Glassmanor to Ojus (Florida) | 907.62 mi (1,460.67 km) |
| Glassmanor to Okemos (Michigan) | 472.31 mi (760.10 km) |
| Glassmanor to Oklahoma City (Oklahoma) | 1,151.58 mi (1,853.30 km) |
| Glassmanor to Okmulgee (Oklahoma) | 1,067.80 mi (1,718.46 km) |
| Glassmanor to Olathe (Kansas) | 958.25 mi (1,542.15 km) |
| Glassmanor to Old Jamestown (Missouri) | 715.32 mi (1,151.20 km) |
| Glassmanor to Oldsmar (Florida) | 812.54 mi (1,307.66 km) |
| Glassmanor to Olean (New York) | 238.01 mi (383.05 km) |
| Glassmanor to Olive Branch (Mississippi) | 758.32 mi (1,220.40 km) |
| Glassmanor to Olivehurst (California) | 2,370.49 mi (3,814.94 km) |
| Glassmanor to Olney (Maryland) | 23.18 mi (37.30 km) |
| Glassmanor to Olympia (Washington) | 2,355.26 mi (3,790.43 km) |
