| South El Monte to Oakleaf Plantation (Florida) | 2,125.29 mi (3,420.33 km) |
| South El Monte to Oakley (California) | 340.19 mi (547.48 km) |
| South El Monte to Oakton (Virginia) | 2,269.62 mi (3,652.59 km) |
| South El Monte to Oakville (Missouri) | 1,568.44 mi (2,524.16 km) |
| South El Monte to Oatfield (Oregon) | 821.07 mi (1,321.38 km) |
| South El Monte to Ocala (Florida) | 2,127.85 mi (3,424.45 km) |
| South El Monte to Ocean Acres (New Jersey) | 2,425.87 mi (3,904.06 km) |
| South El Monte to Ocean City (New Jersey) | 2,411.68 mi (3,881.22 km) |
| South El Monte to Ocean Pines (Maryland) | 2,388.54 mi (3,843.99 km) |
| South El Monte to Ocean Pointe (Hawaii) | 2,580.38 mi (4,152.72 km) |
| South El Monte to Ocean Springs (Mississippi) | 1,722.77 mi (2,772.53 km) |
| South El Monte to Oceanside (California) | 71.12 mi (114.46 km) |
| South El Monte to Oceanside (New York) | 2,455.12 mi (3,951.13 km) |
| South El Monte to Ocoee (Florida) | 2,176.60 mi (3,502.91 km) |
| South El Monte to Oconomowoc (Wisconsin) | 1,703.47 mi (2,741.47 km) |
