| Pacifica to Oakleaf Plantation (Florida) | 2,368.05 mi (3,811.01 km) |
| Pacifica to Oakley (California) | 50.22 mi (80.83 km) |
| Pacifica to Oakton (Virginia) | 2,427.53 mi (3,906.73 km) |
| Pacifica to Oakville (Missouri) | 1,742.23 mi (2,803.85 km) |
| Pacifica to Oatfield (Oregon) | 539.04 mi (867.51 km) |
| Pacifica to Ocala (Florida) | 2,378.83 mi (3,828.36 km) |
| Pacifica to Ocean Acres (New Jersey) | 2,572.39 mi (4,139.86 km) |
| Pacifica to Ocean City (New Jersey) | 2,562.95 mi (4,124.67 km) |
| Pacifica to Ocean Pines (Maryland) | 2,548.60 mi (4,101.57 km) |
| Pacifica to Ocean Pointe (Hawaii) | 2,396.72 mi (3,857.15 km) |
| Pacifica to Ocean Springs (Mississippi) | 1,981.29 mi (3,188.57 km) |
| Pacifica to Oceanside (California) | 420.09 mi (676.07 km) |
| Pacifica to Oceanside (New York) | 2,592.70 mi (4,172.54 km) |
| Pacifica to Ocoee (Florida) | 2,430.30 mi (3,911.19 km) |
| Pacifica to Oconomowoc (Wisconsin) | 1,815.94 mi (2,922.48 km) |
