| Arco to Romeoville (Illinois) | 4,606.46 mi (7,413.38 km) |
| Arco to Romulus (Michigan) | 4,394.65 mi (7,072.51 km) |
| Arco to Ronkonkoma (New York) | 4,033.22 mi (6,490.83 km) |
| Arco to Roosevelt (New York) | 4,057.72 mi (6,530.28 km) |
| Arco to Rosamond (California) | 6,017.82 mi (9,684.75 km) |
| Arco to Rosaryville (Maryland) | 4,274.85 mi (6,879.71 km) |
| Arco to Roscoe (Illinois) | 4,604.88 mi (7,410.85 km) |
| Arco to Rose Hill (Virginia) | 4,285.96 mi (6,897.59 km) |
| Arco to Roseburg (Oregon) | 5,669.19 mi (9,123.69 km) |
| Arco to Rosedale (California) | 6,017.39 mi (9,684.05 km) |
| Arco to Rosedale (Maryland) | 4,237.67 mi (6,819.87 km) |
| Arco to Roselle (Illinois) | 4,589.96 mi (7,386.82 km) |
| Arco to Roselle (New Jersey) | 4,087.48 mi (6,578.17 km) |
| Arco to Roselle Park (New Jersey) | 4,087.25 mi (6,577.80 km) |
| Arco to Rosemead (California) | 6,060.03 mi (9,752.67 km) |
