| Green River to Oakley (California) | 692.63 mi (1,114.67 km) |
| Green River to Oakton (Virginia) | 1,697.46 mi (2,731.79 km) |
| Green River to Oakville (Missouri) | 1,033.52 mi (1,663.29 km) |
| Green River to Oatfield (Oregon) | 710.07 mi (1,142.75 km) |
| Green River to Ocala (Florida) | 1,748.91 mi (2,814.60 km) |
| Green River to Ocean Acres (New Jersey) | 1,836.64 mi (2,955.78 km) |
| Green River to Ocean City (New Jersey) | 1,829.06 mi (2,943.58 km) |
| Green River to Ocean Pines (Maryland) | 1,818.74 mi (2,926.98 km) |
| Green River to Ocean Pointe (Hawaii) | 3,134.22 mi (5,044.04 km) |
| Green River to Ocean Springs (Mississippi) | 1,382.39 mi (2,224.74 km) |
| Green River to Oceanside (California) | 715.64 mi (1,151.71 km) |
| Green River to Oceanside (New York) | 1,854.08 mi (2,983.86 km) |
| Green River to Ocoee (Florida) | 1,803.61 mi (2,902.63 km) |
| Green River to Oconomowoc (Wisconsin) | 1,074.61 mi (1,729.42 km) |
| Green River to Odenton (Maryland) | 1,725.34 mi (2,776.66 km) |
