| Smartno to Ridgeland (Mississippi) | 5,281.80 mi (8,500.23 km) |
| Smartno to Ridgewood (New Jersey) | 4,229.08 mi (6,806.05 km) |
| Smartno to Rifle (Colorado) | 5,543.39 mi (8,921.22 km) |
| Smartno to Rincon (Georgia) | 4,918.69 mi (7,915.87 km) |
| Smartno to Ringwood (New Jersey) | 4,230.52 mi (6,808.37 km) |
| Smartno to Río Grande (Puerto Rico) | 4,871.99 mi (7,840.71 km) |
| Smartno to Rio Grande City (Texas) | 5,940.09 mi (9,559.66 km) |
| Smartno to Rio Linda (California) | 5,987.27 mi (9,635.58 km) |
| Smartno to Rio Rancho (New Mexico) | 5,744.42 mi (9,244.75 km) |
| Smartno to Rio Rico (Arizona) | 6,101.25 mi (9,819.02 km) |
| Smartno to Ripon (California) | 6,036.42 mi (9,714.67 km) |
| Smartno to River Edge (New Jersey) | 4,228.35 mi (6,804.88 km) |
| Smartno to River Falls (Wisconsin) | 4,760.18 mi (7,660.76 km) |
| Smartno to River Forest (Illinois) | 4,728.98 mi (7,610.56 km) |
| Smartno to River Grove (Illinois) | 4,728.29 mi (7,609.44 km) |
