| Ebbw Vale to Olympia Heights (Florida) | 4,303.11 mi (6,925.18 km) |
| Ebbw Vale to Omaha (Nebraska) | 4,168.08 mi (6,707.87 km) |
| Ebbw Vale to On Top of the World Designated Place (Florida) | 4,215.69 mi (6,784.50 km) |
| Ebbw Vale to Onalaska (Wisconsin) | 3,864.27 mi (6,218.94 km) |
| Ebbw Vale to Oneida (New York) | 3,296.74 mi (5,305.59 km) |
| Ebbw Vale to Oneonta (New York) | 3,298.71 mi (5,308.76 km) |
| Ebbw Vale to Ontario (California) | 5,307.74 mi (8,541.98 km) |
| Ebbw Vale to Ontario (Oregon) | 4,731.91 mi (7,615.27 km) |
| Ebbw Vale to Opa-locka (Florida) | 4,290.68 mi (6,905.18 km) |
| Ebbw Vale to Opelika (Alabama) | 4,168.54 mi (6,708.61 km) |
| Ebbw Vale to Opelousas (Louisiana) | 4,548.02 mi (7,319.33 km) |
| Ebbw Vale to Orange (California) | 5,328.16 mi (8,574.84 km) |
| Ebbw Vale to Orange (Texas) | 4,636.13 mi (7,461.12 km) |
| Ebbw Vale to Orange City (Florida) | 4,182.27 mi (6,730.71 km) |
| Ebbw Vale to Orangeburg (South Carolina) | 3,942.12 mi (6,344.23 km) |
