| Arco to Rosemont (California) | 5,893.88 mi (9,485.28 km) |
| Arco to Rosemount (Minnesota) | 4,647.12 mi (7,478.82 km) |
| Arco to Rosenberg (Texas) | 5,500.94 mi (8,852.91 km) |
| Arco to Roseville (California) | 5,879.72 mi (9,462.50 km) |
| Arco to Roseville (Michigan) | 4,365.29 mi (7,025.26 km) |
| Arco to Roseville (Minnesota) | 4,637.64 mi (7,463.56 km) |
| Arco to Rossmoor (California) | 6,076.24 mi (9,778.77 km) |
| Arco to Rossville (Maryland) | 4,235.04 mi (6,815.64 km) |
| Arco to Roswell (Georgia) | 4,805.00 mi (7,732.89 km) |
| Arco to Roswell (New Mexico) | 5,639.06 mi (9,075.19 km) |
| Arco to Round Lake (Illinois) | 4,574.16 mi (7,361.39 km) |
| Arco to Round Lake Beach (Illinois) | 4,571.58 mi (7,357.25 km) |
| Arco to Round Rock (Texas) | 5,525.05 mi (8,891.71 km) |
| Arco to Rowland Heights (California) | 6,059.74 mi (9,752.21 km) |
| Arco to Rowlett (Texas) | 5,359.02 mi (8,624.51 km) |
