| Glassmanor to Oswego (Illinois) | 630.04 mi (1,013.95 km) |
| Glassmanor to Oswego (New York) | 321.13 mi (516.80 km) |
| Glassmanor to Otsego (Minnesota) | 960.36 mi (1,545.54 km) |
| Glassmanor to Ottawa (Illinois) | 649.51 mi (1,045.29 km) |
| Glassmanor to Ottawa (Kansas) | 984.07 mi (1,583.70 km) |
| Glassmanor to Ottumwa (Iowa) | 830.80 mi (1,337.05 km) |
| Glassmanor to Overland (Missouri) | 720.61 mi (1,159.71 km) |
| Glassmanor to Overland Park (Kansas) | 951.10 mi (1,530.65 km) |
| Glassmanor to Overlea (Maryland) | 45.25 mi (72.82 km) |
| Glassmanor to Oviedo (Florida) | 742.14 mi (1,194.36 km) |
| Glassmanor to Owasso (Oklahoma) | 1,045.17 mi (1,682.04 km) |
| Glassmanor to Owatonna (Minnesota) | 914.83 mi (1,472.27 km) |
| Glassmanor to Owensboro (Kentucky) | 554.15 mi (891.82 km) |
| Glassmanor to Owings Mills (Maryland) | 42.27 mi (68.03 km) |
| Glassmanor to Owosso (Michigan) | 473.39 mi (761.85 km) |
