| Erba to Robertsville (New Jersey) | 4,033.87 mi (6,491.89 km) |
| Erba to Robinson (Texas) | 5,393.31 mi (8,679.69 km) |
| Erba to Robstown (Texas) | 5,601.11 mi (9,014.11 km) |
| Erba to Rochester (Michigan) | 4,302.43 mi (6,924.09 km) |
| Erba to Rochester (Minnesota) | 4,603.58 mi (7,408.74 km) |
| Erba to Rochester (New Hampshire) | 3,777.85 mi (6,079.87 km) |
| Erba to Rochester (New York) | 4,059.62 mi (6,533.32 km) |
| Erba to Rochester Hills (Michigan) | 4,304.83 mi (6,927.95 km) |
| Erba to Rock Hill (South Carolina) | 4,553.30 mi (7,327.83 km) |
| Erba to Rock Island (Illinois) | 4,649.54 mi (7,482.71 km) |
| Erba to Rock Springs (Wyoming) | 5,308.39 mi (8,543.03 km) |
| Erba to Rockford (Illinois) | 4,554.84 mi (7,330.31 km) |
| Erba to Rockledge (Florida) | 4,842.07 mi (7,792.56 km) |
| Erba to Rocklin (California) | 5,834.00 mi (9,388.92 km) |
| Erba to Rockport (Texas) | 5,564.49 mi (8,955.18 km) |
