| Samandag to Olympia Heights (Florida) | 6,484.47 mi (10,435.74 km) |
| Samandag to Omaha (Nebraska) | 6,290.86 mi (10,124.15 km) |
| Samandag to On Top of the World Designated Place (Florida) | 6,408.09 mi (10,312.82 km) |
| Samandag to Onalaska (Wisconsin) | 5,995.48 mi (9,648.79 km) |
| Samandag to Oneida (New York) | 5,483.59 mi (8,824.99 km) |
| Samandag to Oneonta (New York) | 5,488.09 mi (8,832.22 km) |
| Samandag to Ontario (California) | 7,301.00 mi (11,749.82 km) |
| Samandag to Ontario (Oregon) | 6,647.61 mi (10,698.29 km) |
| Samandag to Opa-locka (Florida) | 6,472.34 mi (10,416.22 km) |
| Samandag to Opelika (Alabama) | 6,361.67 mi (10,238.12 km) |
| Samandag to Opelousas (Louisiana) | 6,734.60 mi (10,838.29 km) |
| Samandag to Orange (California) | 7,320.70 mi (11,781.52 km) |
| Samandag to Orange (Texas) | 6,819.70 mi (10,975.24 km) |
| Samandag to Orange City (Florida) | 6,373.16 mi (10,256.61 km) |
| Samandag to Orangeburg (South Carolina) | 6,136.65 mi (9,875.98 km) |
