| Siniscola to Oakley (California) | 6,200.24 mi (9,978.32 km) |
| Siniscola to Oakton (Virginia) | 4,417.83 mi (7,109.80 km) |
| Siniscola to Oakville (Missouri) | 5,008.14 mi (8,059.82 km) |
| Siniscola to Oatfield (Oregon) | 5,804.21 mi (9,340.98 km) |
| Siniscola to Ocala (Florida) | 5,029.93 mi (8,094.89 km) |
| Siniscola to Ocean Acres (New Jersey) | 4,249.34 mi (6,838.65 km) |
| Siniscola to Ocean City (New Jersey) | 4,280.90 mi (6,889.45 km) |
| Siniscola to Ocean Pines (Maryland) | 4,337.81 mi (6,981.03 km) |
| Siniscola to Ocean Pointe (Hawaii) | 8,088.44 mi (13,017.08 km) |
| Siniscola to Ocean Springs (Mississippi) | 5,289.10 mi (8,511.99 km) |
| Siniscola to Oceanside (California) | 6,321.51 mi (10,173.49 km) |
| Siniscola to Oceanside (New York) | 4,188.92 mi (6,741.41 km) |
| Siniscola to Ocoee (Florida) | 5,025.29 mi (8,087.43 km) |
| Siniscola to Oconomowoc (Wisconsin) | 4,737.56 mi (7,624.37 km) |
| Siniscola to Odenton (Maryland) | 4,383.67 mi (7,054.84 km) |
