| Erba to Ridgeland (Mississippi) | 5,058.72 mi (8,141.22 km) |
| Erba to Ridgewood (New Jersey) | 4,000.42 mi (6,438.05 km) |
| Erba to Rifle (Colorado) | 5,370.48 mi (8,642.96 km) |
| Erba to Rincon (Georgia) | 4,681.76 mi (7,534.56 km) |
| Erba to Ringwood (New Jersey) | 4,002.37 mi (6,441.19 km) |
| Erba to Río Grande (Puerto Rico) | 4,603.67 mi (7,408.89 km) |
| Erba to Rio Grande City (Texas) | 5,721.06 mi (9,207.15 km) |
| Erba to Rio Linda (California) | 5,846.55 mi (9,409.11 km) |
| Erba to Rio Rancho (New Mexico) | 5,559.67 mi (8,947.43 km) |
| Erba to Rio Rico (Arizona) | 5,918.58 mi (9,525.03 km) |
| Erba to Ripon (California) | 5,892.91 mi (9,483.72 km) |
| Erba to River Edge (New Jersey) | 3,999.46 mi (6,436.51 km) |
| Erba to River Falls (Wisconsin) | 4,569.98 mi (7,354.67 km) |
| Erba to River Forest (Illinois) | 4,522.90 mi (7,278.91 km) |
| Erba to River Grove (Illinois) | 4,522.31 mi (7,277.96 km) |
