| Summerville to Odenton (Maryland) | 461.97 mi (743.47 km) |
| Summerville to Odessa (Texas) | 1,292.39 mi (2,079.91 km) |
| Summerville to Ogden (Utah) | 1,829.51 mi (2,944.32 km) |
| Summerville to Oildale (California) | 2,211.86 mi (3,559.64 km) |
| Summerville to Ojus (Florida) | 486.78 mi (783.40 km) |
| Summerville to Okemos (Michigan) | 708.89 mi (1,140.85 km) |
| Summerville to Oklahoma City (Oklahoma) | 1,003.33 mi (1,614.70 km) |
| Summerville to Okmulgee (Oklahoma) | 920.05 mi (1,480.68 km) |
| Summerville to Olathe (Kansas) | 912.71 mi (1,468.86 km) |
| Summerville to Old Jamestown (Missouri) | 693.81 mi (1,116.58 km) |
| Summerville to Oldsmar (Florida) | 372.76 mi (599.90 km) |
| Summerville to Olean (New York) | 634.61 mi (1,021.31 km) |
| Summerville to Olive Branch (Mississippi) | 569.90 mi (917.17 km) |
| Summerville to Olivehurst (California) | 2,329.04 mi (3,748.23 km) |
| Summerville to Olney (Maryland) | 458.60 mi (738.05 km) |
