| Greenville to Oswego (Illinois) | 573.13 mi (922.36 km) |
| Greenville to Oswego (New York) | 672.73 mi (1,082.65 km) |
| Greenville to Otsego (Minnesota) | 932.86 mi (1,501.29 km) |
| Greenville to Ottawa (Illinois) | 570.93 mi (918.82 km) |
| Greenville to Ottawa (Kansas) | 759.45 mi (1,222.21 km) |
| Greenville to Ottumwa (Iowa) | 694.04 mi (1,116.95 km) |
| Greenville to Overland (Missouri) | 516.86 mi (831.80 km) |
| Greenville to Overland Park (Kansas) | 735.68 mi (1,183.96 km) |
| Greenville to Overlea (Maryland) | 448.95 mi (722.52 km) |
| Greenville to Oviedo (Florida) | 432.38 mi (695.84 km) |
| Greenville to Owasso (Oklahoma) | 762.89 mi (1,227.76 km) |
| Greenville to Owatonna (Minnesota) | 861.59 mi (1,386.60 km) |
| Greenville to Owensboro (Kentucky) | 332.79 mi (535.58 km) |
| Greenville to Owings Mills (Maryland) | 440.54 mi (708.98 km) |
| Greenville to Owosso (Michigan) | 572.11 mi (920.73 km) |
