| Merrick to Orangevale (California) | 2,507.47 mi (4,035.39 km) |
| Merrick to Orchards (Washington) | 2,453.50 mi (3,948.53 km) |
| Merrick to Orcutt (California) | 2,560.59 mi (4,120.86 km) |
| Merrick to Oregon (Ohio) | 518.27 mi (834.08 km) |
| Merrick to Oregon (Wisconsin) | 829.48 mi (1,334.92 km) |
| Merrick to Oregon City (Oregon) | 2,460.63 mi (3,960.00 km) |
| Merrick to Orem (Utah) | 1,989.07 mi (3,201.09 km) |
| Merrick to Orinda (California) | 2,574.94 mi (4,143.96 km) |
| Merrick to Orland Park (Illinois) | 746.71 mi (1,201.71 km) |
| Merrick to Orlando (Florida) | 949.62 mi (1,528.27 km) |
| Merrick to Ormond Beach (Florida) | 892.39 mi (1,436.16 km) |
| Merrick to Oro Valley (Arizona) | 2,136.42 mi (3,438.23 km) |
| Merrick to Oroville (California) | 2,507.44 mi (4,035.34 km) |
| Merrick to Oshkosh (Wisconsin) | 799.82 mi (1,287.18 km) |
| Merrick to Oskaloosa (Iowa) | 994.70 mi (1,600.81 km) |
