| Ada to Ridgeland (Mississippi) | 5,500.29 mi (8,851.87 km) |
| Ada to Ridgewood (New Jersey) | 4,453.50 mi (7,167.21 km) |
| Ada to Rifle (Colorado) | 5,718.14 mi (9,202.45 km) |
| Ada to Rincon (Georgia) | 5,149.01 mi (8,286.53 km) |
| Ada to Ringwood (New Jersey) | 4,454.53 mi (7,168.87 km) |
| Ada to Río Grande (Puerto Rico) | 5,125.76 mi (8,249.11 km) |
| Ada to Rio Grande City (Texas) | 6,154.32 mi (9,904.42 km) |
| Ada to Rio Linda (California) | 6,132.11 mi (9,868.68 km) |
| Ada to Rio Rancho (New Mexico) | 5,929.13 mi (9,542.02 km) |
| Ada to Rio Rico (Arizona) | 6,283.38 mi (10,112.12 km) |
| Ada to Ripon (California) | 6,183.62 mi (9,951.58 km) |
| Ada to River Edge (New Jersey) | 4,452.95 mi (7,166.33 km) |
| Ada to River Falls (Wisconsin) | 4,951.72 mi (7,969.02 km) |
| Ada to River Forest (Illinois) | 4,934.04 mi (7,940.57 km) |
| Ada to River Grove (Illinois) | 4,933.26 mi (7,939.31 km) |
