| Keller to Ridgeland (Mississippi) | 413.03 mi (664.71 km) |
| Keller to Ridgewood (New Jersey) | 1,386.49 mi (2,231.34 km) |
| Keller to Rifle (Colorado) | 743.17 mi (1,196.01 km) |
| Keller to Rincon (Georgia) | 930.77 mi (1,497.93 km) |
| Keller to Ringwood (New Jersey) | 1,380.82 mi (2,222.22 km) |
| Keller to Río Grande (Puerto Rico) | 2,186.13 mi (3,518.23 km) |
| Keller to Rio Grande City (Texas) | 462.76 mi (744.73 km) |
| Keller to Rio Linda (California) | 1,409.15 mi (2,267.81 km) |
| Keller to Rio Rancho (New Mexico) | 565.50 mi (910.08 km) |
| Keller to Rio Rico (Arizona) | 810.05 mi (1,303.65 km) |
| Keller to Ripon (California) | 1,383.57 mi (2,226.63 km) |
| Keller to River Edge (New Jersey) | 1,389.14 mi (2,235.61 km) |
| Keller to River Falls (Wisconsin) | 860.05 mi (1,384.12 km) |
| Keller to River Forest (Illinois) | 805.06 mi (1,295.62 km) |
| Keller to River Grove (Illinois) | 805.90 mi (1,296.97 km) |
