| Sempeter pri Gorici to Oakley (California) | 6,010.82 mi (9,673.48 km) |
| Sempeter pri Gorici to Oakton (Virginia) | 4,405.15 mi (7,089.40 km) |
| Sempeter pri Gorici to Oakville (Missouri) | 4,948.32 mi (7,963.55 km) |
| Sempeter pri Gorici to Oatfield (Oregon) | 5,585.98 mi (8,989.77 km) |
| Sempeter pri Gorici to Ocala (Florida) | 5,057.69 mi (8,139.56 km) |
| Sempeter pri Gorici to Ocean Acres (New Jersey) | 4,241.94 mi (6,826.74 km) |
| Sempeter pri Gorici to Ocean City (New Jersey) | 4,275.60 mi (6,880.91 km) |
| Sempeter pri Gorici to Ocean Pines (Maryland) | 4,336.48 mi (6,978.89 km) |
| Sempeter pri Gorici to Ocean Pointe (Hawaii) | 7,761.44 mi (12,490.82 km) |
| Sempeter pri Gorici to Ocean Springs (Mississippi) | 5,280.94 mi (8,498.84 km) |
| Sempeter pri Gorici to Oceanside (California) | 6,169.50 mi (9,928.85 km) |
| Sempeter pri Gorici to Oceanside (New York) | 4,177.62 mi (6,723.24 km) |
| Sempeter pri Gorici to Ocoee (Florida) | 5,059.21 mi (8,142.00 km) |
| Sempeter pri Gorici to Oconomowoc (Wisconsin) | 4,657.44 mi (7,495.43 km) |
| Sempeter pri Gorici to Odenton (Maryland) | 4,372.06 mi (7,036.16 km) |
