| Wallingford Center to Oakleaf Plantation (Florida) | 927.57 mi (1,492.77 km) |
| Wallingford Center to Oakley (California) | 2,573.89 mi (4,142.28 km) |
| Wallingford Center to Oakton (Virginia) | 295.45 mi (475.48 km) |
| Wallingford Center to Oakville (Missouri) | 948.14 mi (1,525.88 km) |
| Wallingford Center to Oatfield (Oregon) | 2,472.39 mi (3,978.93 km) |
| Wallingford Center to Ocala (Florida) | 996.45 mi (1,603.63 km) |
| Wallingford Center to Ocean Acres (New Jersey) | 140.67 mi (226.38 km) |
| Wallingford Center to Ocean City (New Jersey) | 177.58 mi (285.79 km) |
| Wallingford Center to Ocean Pines (Maryland) | 245.10 mi (394.44 km) |
| Wallingford Center to Ocean Pointe (Hawaii) | 5,016.66 mi (8,073.53 km) |
| Wallingford Center to Ocean Springs (Mississippi) | 1,171.28 mi (1,885.00 km) |
| Wallingford Center to Oceanside (California) | 2,480.73 mi (3,992.34 km) |
| Wallingford Center to Oceanside (New York) | 70.73 mi (113.82 km) |
| Wallingford Center to Ocoee (Florida) | 1,015.50 mi (1,634.30 km) |
| Wallingford Center to Oconomowoc (Wisconsin) | 808.26 mi (1,300.77 km) |
