| Paks to Olympia Heights (Florida) | 5,354.06 mi (8,616.52 km) |
| Paks to Omaha (Nebraska) | 5,169.29 mi (8,319.16 km) |
| Paks to On Top of the World Designated Place (Florida) | 5,268.77 mi (8,479.27 km) |
| Paks to Onalaska (Wisconsin) | 4,869.94 mi (7,837.42 km) |
| Paks to Oneida (New York) | 4,339.95 mi (6,984.48 km) |
| Paks to Oneonta (New York) | 4,344.12 mi (6,991.18 km) |
| Paks to Ontario (California) | 6,241.02 mi (10,043.96 km) |
| Paks to Ontario (Oregon) | 5,618.67 mi (9,042.38 km) |
| Paks to Opa-locka (Florida) | 5,341.71 mi (8,596.65 km) |
| Paks to Opelika (Alabama) | 5,217.72 mi (8,397.10 km) |
| Paks to Opelousas (Louisiana) | 5,591.25 mi (8,998.25 km) |
| Paks to Orange (California) | 6,261.20 mi (10,076.43 km) |
| Paks to Orange (Texas) | 5,677.08 mi (9,136.38 km) |
| Paks to Orange City (Florida) | 5,235.29 mi (8,425.39 km) |
| Paks to Orangeburg (South Carolina) | 4,994.08 mi (8,037.20 km) |
