| Arco to Robertsville (New Jersey) | 4,101.72 mi (6,601.08 km) |
| Arco to Robinson (Texas) | 5,456.16 mi (8,780.84 km) |
| Arco to Robstown (Texas) | 5,665.80 mi (9,118.22 km) |
| Arco to Rochester (Michigan) | 4,364.74 mi (7,024.38 km) |
| Arco to Rochester (Minnesota) | 4,660.24 mi (7,499.93 km) |
| Arco to Rochester (New Hampshire) | 3,844.75 mi (6,187.52 km) |
| Arco to Rochester (New York) | 4,123.97 mi (6,636.88 km) |
| Arco to Rochester Hills (Michigan) | 4,367.15 mi (7,028.24 km) |
| Arco to Rock Hill (South Carolina) | 4,621.93 mi (7,438.27 km) |
| Arco to Rock Island (Illinois) | 4,709.17 mi (7,578.67 km) |
| Arco to Rock Springs (Wyoming) | 5,356.90 mi (8,621.10 km) |
| Arco to Rockford (Illinois) | 4,614.64 mi (7,426.55 km) |
| Arco to Rockledge (Florida) | 4,914.41 mi (7,908.98 km) |
| Arco to Rocklin (California) | 5,875.55 mi (9,455.79 km) |
| Arco to Rockport (Texas) | 5,629.38 mi (9,059.61 km) |
