| Barth to Ridgeland (Mississippi) | 4,902.61 mi (7,889.98 km) |
| Barth to Ridgewood (New Jersey) | 3,878.00 mi (6,241.04 km) |
| Barth to Rifle (Colorado) | 5,056.09 mi (8,136.99 km) |
| Barth to Rincon (Georgia) | 4,588.02 mi (7,383.71 km) |
| Barth to Ringwood (New Jersey) | 3,877.79 mi (6,240.70 km) |
| Barth to Río Grande (Puerto Rico) | 4,735.17 mi (7,620.52 km) |
| Barth to Rio Grande City (Texas) | 5,544.02 mi (8,922.23 km) |
| Barth to Rio Linda (California) | 5,456.66 mi (8,781.65 km) |
| Barth to Rio Rancho (New Mexico) | 5,275.41 mi (8,489.96 km) |
| Barth to Rio Rico (Arizona) | 5,626.54 mi (9,055.04 km) |
| Barth to Ripon (California) | 5,508.58 mi (8,865.20 km) |
| Barth to River Edge (New Jersey) | 3,878.02 mi (6,241.06 km) |
| Barth to River Falls (Wisconsin) | 4,308.02 mi (6,933.09 km) |
| Barth to River Forest (Illinois) | 4,310.79 mi (6,937.54 km) |
| Barth to River Grove (Illinois) | 4,309.86 mi (6,936.04 km) |
