| Ada to Robertsville (New Jersey) | 4,489.19 mi (7,224.65 km) |
| Ada to Robinson (Texas) | 5,815.09 mi (9,358.48 km) |
| Ada to Robstown (Texas) | 6,033.73 mi (9,710.35 km) |
| Ada to Rochester (Michigan) | 4,724.08 mi (7,602.67 km) |
| Ada to Rochester (Minnesota) | 4,989.84 mi (8,030.37 km) |
| Ada to Rochester (New Hampshire) | 4,228.23 mi (6,804.69 km) |
| Ada to Rochester (New York) | 4,494.19 mi (7,232.70 km) |
| Ada to Rochester Hills (Michigan) | 4,726.47 mi (7,606.52 km) |
| Ada to Rock Hill (South Carolina) | 5,012.12 mi (8,066.24 km) |
| Ada to Rock Island (Illinois) | 5,053.75 mi (8,133.23 km) |
| Ada to Rock Springs (Wyoming) | 5,641.10 mi (9,078.47 km) |
| Ada to Rockford (Illinois) | 4,960.41 mi (7,983.01 km) |
| Ada to Rockledge (Florida) | 5,322.53 mi (8,565.78 km) |
| Ada to Rocklin (California) | 6,120.13 mi (9,849.39 km) |
| Ada to Rockport (Texas) | 5,998.41 mi (9,653.51 km) |
