| Big Spring to Oakley (California) | 1,206.72 mi (1,942.03 km) |
| Big Spring to Oakton (Virginia) | 1,429.41 mi (2,300.41 km) |
| Big Spring to Oakville (Missouri) | 760.43 mi (1,223.79 km) |
| Big Spring to Oatfield (Oregon) | 1,448.30 mi (2,330.81 km) |
| Big Spring to Ocala (Florida) | 1,165.85 mi (1,876.26 km) |
| Big Spring to Ocean Acres (New Jersey) | 1,599.12 mi (2,573.53 km) |
| Big Spring to Ocean City (New Jersey) | 1,576.55 mi (2,537.22 km) |
| Big Spring to Ocean Pines (Maryland) | 1,538.15 mi (2,475.42 km) |
| Big Spring to Ocean Pointe (Hawaii) | 3,529.19 mi (5,679.69 km) |
| Big Spring to Ocean Springs (Mississippi) | 759.35 mi (1,222.05 km) |
| Big Spring to Oceanside (California) | 921.61 mi (1,483.19 km) |
| Big Spring to Oceanside (New York) | 1,644.29 mi (2,646.23 km) |
| Big Spring to Ocoee (Florida) | 1,213.26 mi (1,952.56 km) |
| Big Spring to Oconomowoc (Wisconsin) | 1,030.73 mi (1,658.80 km) |
| Big Spring to Odenton (Maryland) | 1,463.82 mi (2,355.78 km) |
