| Eufaula to Olympia Heights (Florida) | 517.08 mi (832.16 km) |
| Eufaula to Omaha (Nebraska) | 883.67 mi (1,422.12 km) |
| Eufaula to On Top of the World Designated Place (Florida) | 258.06 mi (415.31 km) |
| Eufaula to Onalaska (Wisconsin) | 890.41 mi (1,432.97 km) |
| Eufaula to Oneida (New York) | 929.10 mi (1,495.25 km) |
| Eufaula to Oneonta (New York) | 914.49 mi (1,471.73 km) |
| Eufaula to Ontario (California) | 1,879.15 mi (3,024.20 km) |
| Eufaula to Ontario (Oregon) | 1,909.04 mi (3,072.30 km) |
| Eufaula to Opa-locka (Florida) | 509.87 mi (820.56 km) |
| Eufaula to Opelika (Alabama) | 53.55 mi (86.18 km) |
| Eufaula to Opelousas (Louisiana) | 420.50 mi (676.72 km) |
| Eufaula to Orange (California) | 1,892.85 mi (3,046.25 km) |
| Eufaula to Orange (Texas) | 524.43 mi (843.99 km) |
| Eufaula to Orange City (Florida) | 308.53 mi (496.53 km) |
| Eufaula to Orangeburg (South Carolina) | 271.96 mi (437.68 km) |
