| Krefeld to Ridgeland (Mississippi) | 4,773.34 mi (7,681.95 km) |
| Krefeld to Ridgewood (New Jersey) | 3,727.77 mi (5,999.27 km) |
| Krefeld to Rifle (Colorado) | 5,018.69 mi (8,076.80 km) |
| Krefeld to Rincon (Georgia) | 4,426.19 mi (7,123.26 km) |
| Krefeld to Ringwood (New Jersey) | 3,728.66 mi (6,000.70 km) |
| Krefeld to Río Grande (Puerto Rico) | 4,478.86 mi (7,208.03 km) |
| Krefeld to Rio Grande City (Texas) | 5,427.71 mi (8,735.05 km) |
| Krefeld to Rio Linda (California) | 5,470.73 mi (8,804.28 km) |
| Krefeld to Rio Rancho (New Mexico) | 5,219.70 mi (8,400.30 km) |
| Krefeld to Rio Rico (Arizona) | 5,576.39 mi (8,974.33 km) |
| Krefeld to Ripon (California) | 5,518.79 mi (8,881.64 km) |
| Krefeld to River Edge (New Jersey) | 3,727.30 mi (5,998.50 km) |
| Krefeld to River Falls (Wisconsin) | 4,236.33 mi (6,817.71 km) |
| Krefeld to River Forest (Illinois) | 4,210.11 mi (6,775.52 km) |
| Krefeld to River Grove (Illinois) | 4,209.37 mi (6,774.33 km) |
