| Colonia to Rockville (Maryland) | 183.24 mi (294.90 km) |
| Colonia to Rockville Centre (New York) | 35.82 mi (57.64 km) |
| Colonia to Rockwall (Texas) | 1,329.78 mi (2,140.08 km) |
| Colonia to Rocky Mount (North Carolina) | 371.25 mi (597.48 km) |
| Colonia to Rocky Point (New York) | 75.93 mi (122.19 km) |
| Colonia to Rocky River (Ohio) | 397.39 mi (639.53 km) |
| Colonia to Roessleville (New York) | 147.84 mi (237.92 km) |
| Colonia to Rogers (Arkansas) | 1,110.59 mi (1,787.32 km) |
| Colonia to Rogers (Minnesota) | 1,022.59 mi (1,645.71 km) |
| Colonia to Rohnert Park (California) | 2,552.52 mi (4,107.89 km) |
| Colonia to Rolla (Missouri) | 949.27 mi (1,527.71 km) |
| Colonia to Rolling Meadows (Illinois) | 717.84 mi (1,155.25 km) |
| Colonia to Roma (Texas) | 1,717.35 mi (2,763.81 km) |
| Colonia to Rome (Georgia) | 738.56 mi (1,188.60 km) |
| Colonia to Rome (New York) | 191.73 mi (308.56 km) |
