| Summerfield to Odenton (Maryland) | 14.58 mi (23.46 km) |
| Summerfield to Odessa (Texas) | 1,508.89 mi (2,428.33 km) |
| Summerfield to Ogden (Utah) | 1,850.32 mi (2,977.81 km) |
| Summerfield to Oildale (California) | 2,313.22 mi (3,722.76 km) |
| Summerfield to Ojus (Florida) | 914.80 mi (1,472.23 km) |
| Summerfield to Okemos (Michigan) | 473.76 mi (762.44 km) |
| Summerfield to Oklahoma City (Oklahoma) | 1,158.32 mi (1,864.14 km) |
| Summerfield to Okmulgee (Oklahoma) | 1,074.62 mi (1,729.43 km) |
| Summerfield to Olathe (Kansas) | 963.84 mi (1,551.14 km) |
| Summerfield to Old Jamestown (Missouri) | 721.09 mi (1,160.49 km) |
| Summerfield to Oldsmar (Florida) | 820.59 mi (1,320.61 km) |
| Summerfield to Olean (New York) | 234.43 mi (377.27 km) |
| Summerfield to Olive Branch (Mississippi) | 765.98 mi (1,232.73 km) |
| Summerfield to Olivehurst (California) | 2,374.98 mi (3,822.16 km) |
| Summerfield to Olney (Maryland) | 20.00 mi (32.18 km) |
