| Isabela to Rockville (Maryland) | 1,546.37 mi (2,488.64 km) |
| Isabela to Rockville Centre (New York) | 1,580.98 mi (2,544.34 km) |
| Isabela to Rockwall (Texas) | 2,073.98 mi (3,337.75 km) |
| Isabela to Rocky Mount (North Carolina) | 1,374.50 mi (2,212.04 km) |
| Isabela to Rocky Point (New York) | 1,589.31 mi (2,557.74 km) |
| Isabela to Rocky River (Ohio) | 1,812.29 mi (2,916.60 km) |
| Isabela to Roessleville (New York) | 1,718.30 mi (2,765.34 km) |
| Isabela to Rogers (Arkansas) | 2,057.47 mi (3,311.19 km) |
| Isabela to Rogers (Minnesota) | 2,391.91 mi (3,849.40 km) |
| Isabela to Rohnert Park (California) | 3,589.92 mi (5,777.42 km) |
| Isabela to Rolla (Missouri) | 2,006.17 mi (3,228.61 km) |
| Isabela to Rolling Meadows (Illinois) | 2,043.00 mi (3,287.88 km) |
| Isabela to Roma (Texas) | 2,108.05 mi (3,392.58 km) |
| Isabela to Rome (Georgia) | 1,560.40 mi (2,511.21 km) |
| Isabela to Rome (New York) | 1,778.43 mi (2,862.11 km) |
