| East Ridge to Olympia Heights (Florida) | 703.64 mi (1,132.41 km) |
| East Ridge to Omaha (Nebraska) | 729.47 mi (1,173.96 km) |
| East Ridge to On Top of the World Designated Place (Florida) | 441.95 mi (711.26 km) |
| East Ridge to Onalaska (Wisconsin) | 691.73 mi (1,113.24 km) |
| East Ridge to Oneida (New York) | 757.41 mi (1,218.94 km) |
| East Ridge to Oneonta (New York) | 751.00 mi (1,208.62 km) |
| East Ridge to Ontario (California) | 1,836.35 mi (2,955.31 km) |
| East Ridge to Ontario (Oregon) | 1,790.23 mi (2,881.09 km) |
| East Ridge to Opa-locka (Florida) | 694.61 mi (1,117.87 km) |
| East Ridge to Opelika (Alabama) | 161.63 mi (260.12 km) |
| East Ridge to Opelousas (Louisiana) | 503.78 mi (810.75 km) |
| East Ridge to Orange (California) | 1,851.72 mi (2,980.05 km) |
| East Ridge to Orange (Texas) | 599.87 mi (965.40 km) |
| East Ridge to Orange City (Florida) | 478.22 mi (769.62 km) |
| East Ridge to Orangeburg (South Carolina) | 269.89 mi (434.34 km) |
