| Isabela to Rosemont (California) | 3,519.41 mi (5,663.94 km) |
| Isabela to Rosemount (Minnesota) | 2,352.98 mi (3,786.75 km) |
| Isabela to Rosenberg (Texas) | 1,964.14 mi (3,160.98 km) |
| Isabela to Roseville (California) | 3,519.44 mi (5,663.99 km) |
| Isabela to Roseville (Michigan) | 1,902.81 mi (3,062.28 km) |
| Isabela to Roseville (Minnesota) | 2,368.64 mi (3,811.95 km) |
| Isabela to Rossmoor (California) | 3,302.07 mi (5,314.17 km) |
| Isabela to Rossville (Maryland) | 1,548.12 mi (2,491.46 km) |
| Isabela to Roswell (Georgia) | 1,513.81 mi (2,436.24 km) |
| Isabela to Roswell (New Mexico) | 2,529.09 mi (4,070.18 km) |
| Isabela to Round Lake (Illinois) | 2,059.32 mi (3,314.16 km) |
| Isabela to Round Lake Beach (Illinois) | 2,060.24 mi (3,315.64 km) |
| Isabela to Round Rock (Texas) | 2,088.92 mi (3,361.79 km) |
| Isabela to Rowland Heights (California) | 3,292.46 mi (5,298.70 km) |
| Isabela to Rowlett (Texas) | 2,079.97 mi (3,347.39 km) |
