| Summerfield to Olympia (Washington) | 2,357.80 mi (3,794.51 km) |
| Summerfield to Olympia Heights (Florida) | 932.73 mi (1,501.08 km) |
| Summerfield to Omaha (Nebraska) | 1,025.03 mi (1,649.63 km) |
| Summerfield to On Top of the World Designated Place (Florida) | 744.37 mi (1,197.95 km) |
| Summerfield to Onalaska (Wisconsin) | 817.66 mi (1,315.89 km) |
| Summerfield to Oneida (New York) | 295.07 mi (474.87 km) |
| Summerfield to Oneonta (New York) | 262.85 mi (423.02 km) |
| Summerfield to Ontario (California) | 2,269.34 mi (3,652.14 km) |
| Summerfield to Ontario (Oregon) | 2,085.48 mi (3,356.26 km) |
| Summerfield to Opa-locka (Florida) | 919.79 mi (1,480.26 km) |
| Summerfield to Opelika (Alabama) | 642.51 mi (1,034.02 km) |
| Summerfield to Opelousas (Louisiana) | 1,037.83 mi (1,670.22 km) |
| Summerfield to Orange (California) | 2,286.65 mi (3,680.00 km) |
| Summerfield to Orange (Texas) | 1,134.27 mi (1,825.43 km) |
| Summerfield to Orange City (Florida) | 733.70 mi (1,180.77 km) |
