| Buffalo to Oakley (California) | 2,253.57 mi (3,626.78 km) |
| Buffalo to Oakton (Virginia) | 288.80 mi (464.77 km) |
| Buffalo to Oakville (Missouri) | 674.49 mi (1,085.49 km) |
| Buffalo to Oatfield (Oregon) | 2,148.54 mi (3,457.75 km) |
| Buffalo to Ocala (Florida) | 965.79 mi (1,554.28 km) |
| Buffalo to Ocean Acres (New Jersey) | 322.12 mi (518.40 km) |
| Buffalo to Ocean City (New Jersey) | 334.49 mi (538.30 km) |
| Buffalo to Ocean Pines (Maryland) | 367.35 mi (591.20 km) |
| Buffalo to Ocean Pointe (Hawaii) | 4,694.34 mi (7,554.80 km) |
| Buffalo to Ocean Springs (Mississippi) | 1,022.29 mi (1,645.22 km) |
| Buffalo to Oceanside (California) | 2,175.02 mi (3,500.36 km) |
| Buffalo to Oceanside (New York) | 310.93 mi (500.39 km) |
| Buffalo to Ocoee (Florida) | 1,000.80 mi (1,610.64 km) |
| Buffalo to Oconomowoc (Wisconsin) | 487.35 mi (784.31 km) |
| Buffalo to Odenton (Maryland) | 287.84 mi (463.24 km) |
