| Colonia to Robertsville (New Jersey) | 17.52 mi (28.20 km) |
| Colonia to Robinson (Texas) | 1,416.60 mi (2,279.79 km) |
| Colonia to Robstown (Texas) | 1,593.05 mi (2,563.77 km) |
| Colonia to Rochester (Michigan) | 476.85 mi (767.42 km) |
| Colonia to Rochester (Minnesota) | 955.62 mi (1,537.92 km) |
| Colonia to Rochester (New Hampshire) | 253.65 mi (408.21 km) |
| Colonia to Rochester (New York) | 245.94 mi (395.80 km) |
| Colonia to Rochester Hills (Michigan) | 478.26 mi (769.69 km) |
| Colonia to Rock Hill (South Carolina) | 535.14 mi (861.23 km) |
| Colonia to Rock Island (Illinois) | 848.80 mi (1,366.01 km) |
| Colonia to Rock Springs (Wyoming) | 1,806.48 mi (2,907.24 km) |
| Colonia to Rockford (Illinois) | 771.74 mi (1,241.99 km) |
| Colonia to Rockledge (Florida) | 922.79 mi (1,485.08 km) |
| Colonia to Rocklin (California) | 2,468.28 mi (3,972.31 km) |
| Colonia to Rockport (Texas) | 1,554.66 mi (2,501.98 km) |
