| Meram to Olympia Heights (Florida) | 6,254.86 mi (10,066.23 km) |
| Meram to Omaha (Nebraska) | 6,079.58 mi (9,784.14 km) |
| Meram to On Top of the World Designated Place (Florida) | 6,179.76 mi (9,945.36 km) |
| Meram to Onalaska (Wisconsin) | 5,782.48 mi (9,306.01 km) |
| Meram to Oneida (New York) | 5,260.07 mi (8,465.27 km) |
| Meram to Oneonta (New York) | 5,263.86 mi (8,471.36 km) |
| Meram to Ontario (California) | 7,111.35 mi (11,444.61 km) |
| Meram to Ontario (Oregon) | 6,466.16 mi (10,406.28 km) |
| Meram to Opa-locka (Florida) | 6,242.76 mi (10,046.74 km) |
| Meram to Opelika (Alabama) | 6,136.09 mi (9,875.09 km) |
| Meram to Opelousas (Louisiana) | 6,511.47 mi (10,479.20 km) |
| Meram to Orange (California) | 7,131.22 mi (11,476.59 km) |
| Meram to Orange (Texas) | 6,597.43 mi (10,617.53 km) |
| Meram to Orange City (Florida) | 6,144.50 mi (9,888.61 km) |
| Meram to Orangeburg (South Carolina) | 5,909.60 mi (9,510.59 km) |
