| Longford to River Ridge (Louisiana) | 4,280.43 mi (6,888.69 km) |
| Longford to Riverbank (California) | 4,973.18 mi (8,003.56 km) |
| Longford to Riverdale (Georgia) | 3,865.91 mi (6,221.58 km) |
| Longford to Riverdale (Illinois) | 3,602.50 mi (5,797.66 km) |
| Longford to Riverside (California) | 5,072.27 mi (8,163.04 km) |
| Longford to Riverside (Ohio) | 3,553.87 mi (5,719.40 km) |
| Longford to Riverton (Utah) | 4,529.83 mi (7,290.06 km) |
| Longford to Riverton (Wyoming) | 4,278.65 mi (6,885.82 km) |
| Longford to Riverview (Florida) | 4,071.63 mi (6,552.65 km) |
| Longford to Riverview (Michigan) | 3,407.74 mi (5,484.23 km) |
| Longford to Riviera Beach (Florida) | 4,034.64 mi (6,493.13 km) |
| Longford to Riviera Beach (Maryland) | 3,282.01 mi (5,281.88 km) |
| Longford to Roanoke (Virginia) | 3,507.29 mi (5,644.44 km) |
| Longford to Roanoke Rapids (North Carolina) | 3,454.17 mi (5,558.96 km) |
| Longford to Robbinsdale (Minnesota) | 3,656.57 mi (5,884.68 km) |
