| Assenede to Olympia Heights (Florida) | 4,604.35 mi (7,409.98 km) |
| Assenede to Omaha (Nebraska) | 4,440.82 mi (7,146.81 km) |
| Assenede to On Top of the World Designated Place (Florida) | 4,515.22 mi (7,266.55 km) |
| Assenede to Onalaska (Wisconsin) | 4,138.58 mi (6,660.39 km) |
| Assenede to Oneida (New York) | 3,588.35 mi (5,774.89 km) |
| Assenede to Oneonta (New York) | 3,591.61 mi (5,780.13 km) |
| Assenede to Ontario (California) | 5,556.37 mi (8,942.12 km) |
| Assenede to Ontario (Oregon) | 4,962.93 mi (7,987.06 km) |
| Assenede to Opa-locka (Florida) | 4,591.90 mi (7,389.95 km) |
| Assenede to Opelika (Alabama) | 4,463.96 mi (7,184.04 km) |
| Assenede to Opelousas (Louisiana) | 4,839.90 mi (7,789.06 km) |
| Assenede to Orange (California) | 5,576.74 mi (8,974.90 km) |
| Assenede to Orange (Texas) | 4,926.81 mi (7,928.94 km) |
| Assenede to Orange City (Florida) | 4,482.28 mi (7,213.53 km) |
| Assenede to Orangeburg (South Carolina) | 4,239.81 mi (6,823.31 km) |
