| Red Bluff to River Ridge (Louisiana) | 1,930.53 mi (3,106.89 km) |
| Red Bluff to Riverbank (California) | 182.92 mi (294.38 km) |
| Red Bluff to Riverdale (Georgia) | 2,123.63 mi (3,417.65 km) |
| Red Bluff to Riverdale (Illinois) | 1,797.68 mi (2,893.08 km) |
| Red Bluff to Riverside (California) | 506.77 mi (815.57 km) |
| Red Bluff to Riverside (Ohio) | 2,002.67 mi (3,222.99 km) |
| Red Bluff to Riverton (Utah) | 541.44 mi (871.36 km) |
| Red Bluff to Riverton (Wyoming) | 740.33 mi (1,191.44 km) |
| Red Bluff to Riverview (Florida) | 2,417.80 mi (3,891.07 km) |
| Red Bluff to Riverview (Michigan) | 2,017.70 mi (3,247.18 km) |
| Red Bluff to Riviera Beach (Florida) | 2,572.01 mi (4,139.25 km) |
| Red Bluff to Riviera Beach (Maryland) | 2,405.10 mi (3,870.63 km) |
| Red Bluff to Roanoke (Virginia) | 2,266.44 mi (3,647.48 km) |
| Red Bluff to Roanoke Rapids (North Carolina) | 2,405.92 mi (3,871.96 km) |
| Red Bluff to Robbinsdale (Minnesota) | 1,499.42 mi (2,413.09 km) |
