| Ada to Reidsville (North Carolina) | 4,890.60 mi (7,870.66 km) |
| Ada to Reisterstown (Maryland) | 4,630.39 mi (7,451.89 km) |
| Ada to Rendon (Texas) | 5,758.28 mi (9,267.06 km) |
| Ada to Reno (Nevada) | 6,040.97 mi (9,722.01 km) |
| Ada to Renton (Washington) | 5,600.56 mi (9,013.23 km) |
| Ada to Republic (Missouri) | 5,378.34 mi (8,655.60 km) |
| Ada to Reston (Virginia) | 4,674.86 mi (7,523.45 km) |
| Ada to Revere (Massachusetts) | 4,266.27 mi (6,865.90 km) |
| Ada to Rexburg (Idaho) | 5,580.95 mi (8,981.67 km) |
| Ada to Reynoldsburg (Ohio) | 4,841.36 mi (7,791.41 km) |
| Ada to Rialto (California) | 6,311.76 mi (10,157.80 km) |
| Ada to Richardson (Texas) | 5,718.02 mi (9,202.26 km) |
| Ada to Richfield (Minnesota) | 4,972.69 mi (8,002.77 km) |
| Ada to Richfield (Wisconsin) | 4,882.89 mi (7,858.25 km) |
| Ada to Richland (Washington) | 5,613.63 mi (9,034.26 km) |
