| Merrick to Oakley (California) | 2,547.51 mi (4,099.82 km) |
| Merrick to Oakton (Virginia) | 233.32 mi (375.50 km) |
| Merrick to Oakville (Missouri) | 904.68 mi (1,455.95 km) |
| Merrick to Oatfield (Oregon) | 2,459.84 mi (3,958.72 km) |
| Merrick to Ocala (Florida) | 929.31 mi (1,495.58 km) |
| Merrick to Ocean Acres (New Jersey) | 73.57 mi (118.40 km) |
| Merrick to Ocean City (New Jersey) | 110.54 mi (177.90 km) |
| Merrick to Ocean Pines (Maryland) | 178.18 mi (286.75 km) |
| Merrick to Ocean Pointe (Hawaii) | 4,992.09 mi (8,033.99 km) |
| Merrick to Ocean Springs (Mississippi) | 1,108.20 mi (1,783.47 km) |
| Merrick to Oceanside (California) | 2,444.25 mi (3,933.65 km) |
| Merrick to Oceanside (New York) | 4.53 mi (7.30 km) |
| Merrick to Ocoee (Florida) | 948.49 mi (1,526.44 km) |
| Merrick to Oconomowoc (Wisconsin) | 785.92 mi (1,264.82 km) |
| Merrick to Odenton (Maryland) | 199.33 mi (320.79 km) |
