| Newark to Oakley (California) | 2,514.73 mi (4,047.07 km) |
| Newark to Oakton (Virginia) | 208.96 mi (336.29 km) |
| Newark to Oakville (Missouri) | 872.77 mi (1,404.59 km) |
| Newark to Oatfield (Oregon) | 2,428.20 mi (3,907.81 km) |
| Newark to Ocala (Florida) | 915.86 mi (1,473.94 km) |
| Newark to Ocean Acres (New Jersey) | 68.05 mi (109.52 km) |
| Newark to Ocean City (New Jersey) | 103.16 mi (166.03 km) |
| Newark to Ocean Pines (Maryland) | 169.79 mi (273.26 km) |
| Newark to Ocean Pointe (Hawaii) | 4,959.35 mi (7,981.31 km) |
| Newark to Ocean Springs (Mississippi) | 1,084.80 mi (1,745.81 km) |
| Newark to Oceanside (California) | 2,411.67 mi (3,881.21 km) |
| Newark to Oceanside (New York) | 28.80 mi (46.34 km) |
| Newark to Ocoee (Florida) | 936.75 mi (1,507.55 km) |
| Newark to Oconomowoc (Wisconsin) | 753.46 mi (1,212.58 km) |
| Newark to Odenton (Maryland) | 176.03 mi (283.30 km) |
