| Lockport to Oakley (California) | 1,792.98 mi (2,885.53 km) |
| Lockport to Oakton (Virginia) | 595.32 mi (958.08 km) |
| Lockport to Oakville (Missouri) | 248.65 mi (400.17 km) |
| Lockport to Oatfield (Oregon) | 1,738.60 mi (2,798.01 km) |
| Lockport to Ocala (Florida) | 918.72 mi (1,478.54 km) |
| Lockport to Ocean Acres (New Jersey) | 730.95 mi (1,176.34 km) |
| Lockport to Ocean City (New Jersey) | 723.39 mi (1,164.18 km) |
| Lockport to Ocean Pines (Maryland) | 716.11 mi (1,152.47 km) |
| Lockport to Ocean Pointe (Hawaii) | 4,238.27 mi (6,820.84 km) |
| Lockport to Ocean Springs (Mississippi) | 773.78 mi (1,245.27 km) |
| Lockport to Oceanside (California) | 1,697.83 mi (2,732.40 km) |
| Lockport to Oceanside (New York) | 751.29 mi (1,209.08 km) |
| Lockport to Ocoee (Florida) | 970.34 mi (1,561.61 km) |
| Lockport to Oconomowoc (Wisconsin) | 106.94 mi (172.10 km) |
| Lockport to Odenton (Maryland) | 621.49 mi (1,000.20 km) |
