| Glassmanor to Oakley (California) | 2,396.95 mi (3,857.52 km) |
| Glassmanor to Oakton (Virginia) | 17.81 mi (28.66 km) |
| Glassmanor to Oakville (Missouri) | 719.63 mi (1,158.14 km) |
| Glassmanor to Oatfield (Oregon) | 2,349.15 mi (3,780.59 km) |
| Glassmanor to Ocala (Florida) | 728.54 mi (1,172.47 km) |
| Glassmanor to Ocean Acres (New Jersey) | 158.04 mi (254.34 km) |
| Glassmanor to Ocean City (New Jersey) | 131.51 mi (211.65 km) |
| Glassmanor to Ocean Pines (Maryland) | 103.48 mi (166.53 km) |
| Glassmanor to Ocean Pointe (Hawaii) | 4,841.55 mi (7,791.72 km) |
| Glassmanor to Ocean Springs (Mississippi) | 886.35 mi (1,426.44 km) |
| Glassmanor to Oceanside (California) | 2,267.71 mi (3,649.52 km) |
| Glassmanor to Oceanside (New York) | 217.58 mi (350.17 km) |
| Glassmanor to Ocoee (Florida) | 753.92 mi (1,213.32 km) |
| Glassmanor to Oconomowoc (Wisconsin) | 668.74 mi (1,076.24 km) |
| Glassmanor to Odenton (Maryland) | 23.14 mi (37.25 km) |
