| San Vito al Tagliamento to Oakley (California) | 5,991.74 mi (9,642.77 km) |
| San Vito al Tagliamento to Oakton (Virginia) | 4,373.89 mi (7,039.09 km) |
| San Vito al Tagliamento to Oakville (Missouri) | 4,919.71 mi (7,917.51 km) |
| San Vito al Tagliamento to Oatfield (Oregon) | 5,569.32 mi (8,962.96 km) |
| San Vito al Tagliamento to Ocala (Florida) | 5,024.81 mi (8,086.64 km) |
| San Vito al Tagliamento to Ocean Acres (New Jersey) | 4,210.38 mi (6,775.95 km) |
| San Vito al Tagliamento to Ocean City (New Jersey) | 4,243.95 mi (6,829.97 km) |
| San Vito al Tagliamento to Ocean Pines (Maryland) | 4,304.67 mi (6,927.70 km) |
| San Vito al Tagliamento to Ocean Pointe (Hawaii) | 7,757.72 mi (12,484.84 km) |
| San Vito al Tagliamento to Ocean Springs (Mississippi) | 5,249.71 mi (8,448.60 km) |
| San Vito al Tagliamento to Oceanside (California) | 6,147.46 mi (9,893.38 km) |
| San Vito al Tagliamento to Oceanside (New York) | 4,146.22 mi (6,672.70 km) |
| San Vito al Tagliamento to Ocoee (Florida) | 5,026.07 mi (8,088.69 km) |
| San Vito al Tagliamento to Oconomowoc (Wisconsin) | 4,629.94 mi (7,451.16 km) |
| San Vito al Tagliamento to Odenton (Maryland) | 4,340.74 mi (6,985.75 km) |
