| Mortara to Rockville (Maryland) | 4,205.87 mi (6,768.69 km) |
| Mortara to Rockville Centre (New York) | 3,990.62 mi (6,422.28 km) |
| Mortara to Rockwall (Texas) | 5,295.17 mi (8,521.75 km) |
| Mortara to Rocky Mount (North Carolina) | 4,364.52 mi (7,024.01 km) |
| Mortara to Rocky Point (New York) | 3,949.72 mi (6,356.46 km) |
| Mortara to Rocky River (Ohio) | 4,304.88 mi (6,928.04 km) |
| Mortara to Roessleville (New York) | 3,919.06 mi (6,307.12 km) |
| Mortara to Rogers (Arkansas) | 5,037.33 mi (8,106.79 km) |
| Mortara to Rogers (Minnesota) | 4,598.52 mi (7,400.60 km) |
| Mortara to Rohnert Park (California) | 5,920.58 mi (9,528.26 km) |
| Mortara to Rolla (Missouri) | 4,864.26 mi (7,828.27 km) |
| Mortara to Rolling Meadows (Illinois) | 4,527.56 mi (7,286.41 km) |
| Mortara to Roma (Texas) | 5,727.54 mi (9,217.58 km) |
| Mortara to Rome (Georgia) | 4,760.85 mi (7,661.85 km) |
| Mortara to Rome (New York) | 3,970.20 mi (6,389.43 km) |
