| Owings Mills to River Ridge (Louisiana) | 1,002.26 mi (1,612.99 km) |
| Owings Mills to Riverbank (California) | 2,364.04 mi (3,804.56 km) |
| Owings Mills to Riverdale (Georgia) | 584.69 mi (940.97 km) |
| Owings Mills to Riverdale (Illinois) | 589.63 mi (948.91 km) |
| Owings Mills to Riverside (California) | 2,262.28 mi (3,640.79 km) |
| Owings Mills to Riverside (Ohio) | 391.01 mi (629.27 km) |
| Owings Mills to Riverton (Utah) | 1,851.76 mi (2,980.12 km) |
| Owings Mills to Riverton (Wyoming) | 1,652.35 mi (2,659.20 km) |
| Owings Mills to Riverview (Florida) | 860.73 mi (1,385.21 km) |
| Owings Mills to Riverview (Michigan) | 385.31 mi (620.09 km) |
| Owings Mills to Riviera Beach (Florida) | 892.92 mi (1,437.02 km) |
| Owings Mills to Riviera Beach (Maryland) | 22.32 mi (35.92 km) |
| Owings Mills to Roanoke (Virginia) | 226.18 mi (364.00 km) |
| Owings Mills to Roanoke Rapids (North Carolina) | 210.21 mi (338.30 km) |
| Owings Mills to Robbinsdale (Minnesota) | 928.82 mi (1,494.79 km) |
