| Lemon Grove to Orangevale (California) | 473.63 mi (762.23 km) |
| Lemon Grove to Orchards (Washington) | 941.68 mi (1,515.49 km) |
| Lemon Grove to Orcutt (California) | 244.13 mi (392.89 km) |
| Lemon Grove to Oregon (Ohio) | 1,935.19 mi (3,114.39 km) |
| Lemon Grove to Oregon (Wisconsin) | 1,654.78 mi (2,663.12 km) |
| Lemon Grove to Oregon City (Oregon) | 920.23 mi (1,480.97 km) |
| Lemon Grove to Orem (Utah) | 600.51 mi (966.43 km) |
| Lemon Grove to Orinda (California) | 458.79 mi (738.35 km) |
| Lemon Grove to Orland Park (Illinois) | 1,709.07 mi (2,750.49 km) |
| Lemon Grove to Orlando (Florida) | 2,133.07 mi (3,432.84 km) |
| Lemon Grove to Ormond Beach (Florida) | 2,130.83 mi (3,429.23 km) |
| Lemon Grove to Oro Valley (Arizona) | 353.31 mi (568.59 km) |
| Lemon Grove to Oroville (California) | 531.31 mi (855.06 km) |
| Lemon Grove to Oshkosh (Wisconsin) | 1,716.24 mi (2,762.03 km) |
| Lemon Grove to Oskaloosa (Iowa) | 1,463.52 mi (2,355.30 km) |
