| Brig-Glis to Olympia Heights (Florida) | 4,877.48 mi (7,849.55 km) |
| Brig-Glis to Omaha (Nebraska) | 4,797.93 mi (7,721.52 km) |
| Brig-Glis to On Top of the World Designated Place (Florida) | 4,806.67 mi (7,735.59 km) |
| Brig-Glis to Onalaska (Wisconsin) | 4,493.86 mi (7,232.17 km) |
| Brig-Glis to Oneida (New York) | 3,913.47 mi (6,298.13 km) |
| Brig-Glis to Oneonta (New York) | 3,913.17 mi (6,297.64 km) |
| Brig-Glis to Ontario (California) | 5,933.69 mi (9,549.36 km) |
| Brig-Glis to Ontario (Oregon) | 5,347.78 mi (8,606.42 km) |
| Brig-Glis to Opa-locka (Florida) | 4,865.41 mi (7,830.11 km) |
| Brig-Glis to Opelika (Alabama) | 4,775.95 mi (7,686.15 km) |
| Brig-Glis to Opelousas (Louisiana) | 5,162.78 mi (8,308.70 km) |
| Brig-Glis to Orange (California) | 5,954.09 mi (9,582.19 km) |
| Brig-Glis to Orange (Texas) | 5,252.82 mi (8,453.59 km) |
| Brig-Glis to Orange City (Florida) | 4,770.10 mi (7,676.73 km) |
| Brig-Glis to Orangeburg (South Carolina) | 4,542.57 mi (7,310.57 km) |
