| South Plainfield to Oakleaf Plantation (Florida) | 830.86 mi (1,337.14 km) |
| South Plainfield to Oakley (California) | 2,504.36 mi (4,030.37 km) |
| South Plainfield to Oakton (Virginia) | 192.58 mi (309.93 km) |
| South Plainfield to Oakville (Missouri) | 859.21 mi (1,382.77 km) |
| South Plainfield to Oatfield (Oregon) | 2,420.85 mi (3,895.98 km) |
| South Plainfield to Ocala (Florida) | 900.38 mi (1,449.02 km) |
| South Plainfield to Ocean Acres (New Jersey) | 57.91 mi (93.20 km) |
| South Plainfield to Ocean City (New Jersey) | 90.83 mi (146.17 km) |
| South Plainfield to Ocean Pines (Maryland) | 156.27 mi (251.49 km) |
| South Plainfield to Ocean Pointe (Hawaii) | 4,949.23 mi (7,965.01 km) |
| South Plainfield to Ocean Springs (Mississippi) | 1,068.42 mi (1,719.45 km) |
| South Plainfield to Oceanside (California) | 2,399.27 mi (3,861.25 km) |
| South Plainfield to Oceanside (New York) | 41.05 mi (66.06 km) |
| South Plainfield to Ocoee (Florida) | 921.59 mi (1,483.16 km) |
| South Plainfield to Oconomowoc (Wisconsin) | 744.50 mi (1,198.15 km) |
