| Mackworth to Ridgeland (Mississippi) | 4,414.19 mi (7,103.95 km) |
| Mackworth to Ridgewood (New Jersey) | 3,367.28 mi (5,419.12 km) |
| Mackworth to Rifle (Colorado) | 4,684.20 mi (7,538.49 km) |
| Mackworth to Rincon (Georgia) | 4,065.52 mi (6,542.82 km) |
| Mackworth to Ringwood (New Jersey) | 3,368.22 mi (5,420.63 km) |
| Mackworth to Río Grande (Puerto Rico) | 4,147.24 mi (6,674.33 km) |
| Mackworth to Rio Grande City (Texas) | 5,069.95 mi (8,159.30 km) |
| Mackworth to Rio Linda (California) | 5,160.18 mi (8,304.51 km) |
| Mackworth to Rio Rancho (New Mexico) | 4,877.72 mi (7,849.93 km) |
| Mackworth to Rio Rico (Arizona) | 5,235.80 mi (8,426.20 km) |
| Mackworth to Ripon (California) | 5,205.97 mi (8,378.19 km) |
| Mackworth to River Edge (New Jersey) | 3,366.78 mi (5,418.31 km) |
| Mackworth to River Falls (Wisconsin) | 3,890.63 mi (6,261.36 km) |
| Mackworth to River Forest (Illinois) | 3,856.32 mi (6,206.15 km) |
| Mackworth to River Grove (Illinois) | 3,855.62 mi (6,205.03 km) |
