| Weslaco to Oakleaf Plantation (Florida) | 1,021.16 mi (1,643.40 km) |
| Weslaco to Oakley (California) | 1,603.77 mi (2,581.02 km) |
| Weslaco to Oakton (Virginia) | 1,485.88 mi (2,391.30 km) |
| Weslaco to Oakville (Missouri) | 958.94 mi (1,543.27 km) |
| Weslaco to Oatfield (Oregon) | 1,901.39 mi (3,060.00 km) |
| Weslaco to Ocala (Florida) | 990.40 mi (1,593.90 km) |
| Weslaco to Ocean Acres (New Jersey) | 1,655.86 mi (2,664.86 km) |
| Weslaco to Ocean City (New Jersey) | 1,625.67 mi (2,616.26 km) |
| Weslaco to Ocean Pines (Maryland) | 1,572.26 mi (2,530.31 km) |
| Weslaco to Ocean Pointe (Hawaii) | 3,779.59 mi (6,082.66 km) |
| Weslaco to Ocean Springs (Mississippi) | 631.81 mi (1,016.80 km) |
| Weslaco to Oceanside (California) | 1,255.60 mi (2,020.69 km) |
| Weslaco to Oceanside (New York) | 1,714.57 mi (2,759.33 km) |
| Weslaco to Ocoee (Florida) | 1,022.52 mi (1,645.58 km) |
| Weslaco to Oconomowoc (Wisconsin) | 1,286.76 mi (2,070.84 km) |
