| Ada to Oakley (California) | 6,181.33 mi (9,947.88 km) |
| Ada to Oakton (Virginia) | 4,675.87 mi (7,525.08 km) |
| Ada to Oakville (Missouri) | 5,197.72 mi (8,364.92 km) |
| Ada to Oatfield (Oregon) | 5,737.75 mi (9,234.01 km) |
| Ada to Ocala (Florida) | 5,340.28 mi (8,594.35 km) |
| Ada to Ocean Acres (New Jersey) | 4,515.14 mi (7,266.42 km) |
| Ada to Ocean City (New Jersey) | 4,549.43 mi (7,321.59 km) |
| Ada to Ocean Pines (Maryland) | 4,611.50 mi (7,421.50 km) |
| Ada to Ocean Pointe (Hawaii) | 7,798.20 mi (12,549.98 km) |
| Ada to Ocean Springs (Mississippi) | 5,550.49 mi (8,932.65 km) |
| Ada to Oceanside (California) | 6,363.97 mi (10,241.82 km) |
| Ada to Oceanside (New York) | 4,449.66 mi (7,161.04 km) |
| Ada to Ocoee (Florida) | 5,343.71 mi (8,599.88 km) |
| Ada to Oconomowoc (Wisconsin) | 4,898.62 mi (7,883.57 km) |
| Ada to Odenton (Maryland) | 4,643.29 mi (7,472.66 km) |
