| Longford to Robertsville (New Jersey) | 3,139.18 mi (5,052.02 km) |
| Longford to Robinson (Texas) | 4,473.52 mi (7,199.44 km) |
| Longford to Robstown (Texas) | 4,687.60 mi (7,543.96 km) |
| Longford to Rochester (Michigan) | 3,381.63 mi (5,442.21 km) |
| Longford to Rochester (Minnesota) | 3,672.63 mi (5,910.53 km) |
| Longford to Rochester (New Hampshire) | 2,877.95 mi (4,631.61 km) |
| Longford to Rochester (New York) | 3,146.34 mi (5,063.55 km) |
| Longford to Rochester Hills (Michigan) | 3,384.03 mi (5,446.08 km) |
| Longford to Rock Hill (South Carolina) | 3,662.39 mi (5,894.04 km) |
| Longford to Rock Island (Illinois) | 3,722.23 mi (5,990.34 km) |
| Longford to Rock Springs (Wyoming) | 4,381.26 mi (7,050.95 km) |
| Longford to Rockford (Illinois) | 3,627.85 mi (5,838.47 km) |
| Longford to Rockledge (Florida) | 3,982.28 mi (6,408.86 km) |
| Longford to Rocklin (California) | 4,921.42 mi (7,920.26 km) |
| Longford to Rockport (Texas) | 4,651.79 mi (7,486.34 km) |
