| Ada to Odessa (Texas) | 5,977.79 mi (9,620.33 km) |
| Ada to Ogden (Utah) | 5,738.42 mi (9,235.10 km) |
| Ada to Oildale (California) | 6,274.62 mi (10,098.03 km) |
| Ada to Ojus (Florida) | 5,414.13 mi (8,713.20 km) |
| Ada to Okemos (Michigan) | 4,770.88 mi (7,678.00 km) |
| Ada to Oklahoma City (Oklahoma) | 5,612.28 mi (9,032.10 km) |
| Ada to Okmulgee (Oklahoma) | 5,551.10 mi (8,933.63 km) |
| Ada to Olathe (Kansas) | 5,335.90 mi (8,587.31 km) |
| Ada to Old Jamestown (Missouri) | 5,176.50 mi (8,330.78 km) |
| Ada to Oldsmar (Florida) | 5,418.11 mi (8,719.60 km) |
| Ada to Olean (New York) | 4,574.59 mi (7,362.09 km) |
| Ada to Olive Branch (Mississippi) | 5,358.24 mi (8,623.26 km) |
| Ada to Olivehurst (California) | 6,110.37 mi (9,833.69 km) |
| Ada to Olney (Maryland) | 4,654.81 mi (7,491.19 km) |
| Ada to Olympia (Washington) | 5,641.95 mi (9,079.85 km) |
