| Arco to River Ridge (Louisiana) | 5,248.14 mi (8,446.07 km) |
| Arco to Riverbank (California) | 5,930.83 mi (9,544.75 km) |
| Arco to Riverdale (Georgia) | 4,829.63 mi (7,772.55 km) |
| Arco to Riverdale (Illinois) | 4,587.97 mi (7,383.63 km) |
| Arco to Riverside (California) | 6,046.19 mi (9,730.40 km) |
| Arco to Riverside (Ohio) | 4,532.95 mi (7,295.07 km) |
| Arco to Riverton (Utah) | 5,502.63 mi (8,855.62 km) |
| Arco to Riverton (Wyoming) | 5,252.92 mi (8,453.76 km) |
| Arco to Riverview (Florida) | 5,007.71 mi (8,059.14 km) |
| Arco to Riverview (Michigan) | 4,390.10 mi (7,065.18 km) |
| Arco to Riviera Beach (Florida) | 4,956.91 mi (7,977.38 km) |
| Arco to Riviera Beach (Maryland) | 4,245.34 mi (6,832.22 km) |
| Arco to Roanoke (Virginia) | 4,472.10 mi (7,197.15 km) |
| Arco to Roanoke Rapids (North Carolina) | 4,410.12 mi (7,097.40 km) |
| Arco to Robbinsdale (Minnesota) | 4,643.53 mi (7,473.04 km) |
