| Summerville to Oskaloosa (Iowa) | 892.27 mi (1,435.97 km) |
| Summerville to Oswego (Illinois) | 747.95 mi (1,203.71 km) |
| Summerville to Oswego (New York) | 748.92 mi (1,205.27 km) |
| Summerville to Otsego (Minnesota) | 1,109.07 mi (1,784.87 km) |
| Summerville to Ottawa (Illinois) | 747.30 mi (1,202.67 km) |
| Summerville to Ottawa (Kansas) | 928.01 mi (1,493.49 km) |
| Summerville to Ottumwa (Iowa) | 871.90 mi (1,403.18 km) |
| Summerville to Overland (Missouri) | 692.43 mi (1,114.37 km) |
| Summerville to Overland Park (Kansas) | 906.18 mi (1,458.35 km) |
| Summerville to Overlea (Maryland) | 484.62 mi (779.92 km) |
| Summerville to Oviedo (Florida) | 306.00 mi (492.46 km) |
| Summerville to Owasso (Oklahoma) | 917.01 mi (1,475.79 km) |
| Summerville to Owatonna (Minnesota) | 1,038.81 mi (1,671.81 km) |
| Summerville to Owensboro (Kentucky) | 510.32 mi (821.28 km) |
| Summerville to Owings Mills (Maryland) | 481.39 mi (774.72 km) |
