| Oak Ridge to River Ridge (Louisiana) | 538.41 mi (866.48 km) |
| Oak Ridge to Riverbank (California) | 2,017.18 mi (3,246.34 km) |
| Oak Ridge to Riverdale (Georgia) | 165.96 mi (267.08 km) |
| Oak Ridge to Riverdale (Illinois) | 431.67 mi (694.71 km) |
| Oak Ridge to Riverside (California) | 1,870.84 mi (3,010.82 km) |
| Oak Ridge to Riverside (Ohio) | 264.08 mi (424.99 km) |
| Oak Ridge to Riverton (Utah) | 1,527.51 mi (2,458.29 km) |
| Oak Ridge to Riverton (Wyoming) | 1,369.81 mi (2,204.50 km) |
| Oak Ridge to Riverview (Florida) | 574.46 mi (924.51 km) |
| Oak Ridge to Riverview (Michigan) | 432.98 mi (696.82 km) |
| Oak Ridge to Riviera Beach (Florida) | 681.33 mi (1,096.50 km) |
| Oak Ridge to Riviera Beach (Maryland) | 479.18 mi (771.16 km) |
| Oak Ridge to Roanoke (Virginia) | 256.98 mi (413.58 km) |
| Oak Ridge to Roanoke Rapids (North Carolina) | 371.88 mi (598.48 km) |
| Oak Ridge to Robbinsdale (Minnesota) | 784.81 mi (1,263.04 km) |
