| Arco to Ridgeland (Mississippi) | 5,124.66 mi (8,247.34 km) |
| Arco to Ridgewood (New Jersey) | 4,067.87 mi (6,546.60 km) |
| Arco to Rifle (Colorado) | 5,421.42 mi (8,724.93 km) |
| Arco to Rincon (Georgia) | 4,751.84 mi (7,647.34 km) |
| Arco to Ringwood (New Jersey) | 4,069.66 mi (6,549.49 km) |
| Arco to Río Grande (Puerto Rico) | 4,683.32 mi (7,537.07 km) |
| Arco to Rio Grande City (Texas) | 5,785.90 mi (9,311.50 km) |
| Arco to Rio Linda (California) | 5,888.02 mi (9,475.85 km) |
| Arco to Rio Rancho (New Mexico) | 5,614.21 mi (9,035.20 km) |
| Arco to Rio Rico (Arizona) | 5,972.59 mi (9,611.96 km) |
| Arco to Ripon (California) | 5,935.23 mi (9,551.83 km) |
| Arco to River Edge (New Jersey) | 4,066.98 mi (6,545.17 km) |
| Arco to River Falls (Wisconsin) | 4,625.88 mi (7,444.63 km) |
| Arco to River Forest (Illinois) | 4,583.60 mi (7,376.59 km) |
| Arco to River Grove (Illinois) | 4,582.97 mi (7,375.58 km) |
