| Harrow to Ridgeland (Mississippi) | 4,494.13 mi (7,232.60 km) |
| Harrow to Ridgewood (New Jersey) | 3,443.31 mi (5,541.47 km) |
| Harrow to Rifle (Colorado) | 4,780.68 mi (7,693.77 km) |
| Harrow to Rincon (Georgia) | 4,137.43 mi (6,658.55 km) |
| Harrow to Ringwood (New Jersey) | 3,444.54 mi (5,543.45 km) |
| Harrow to Río Grande (Puerto Rico) | 4,183.67 mi (6,732.97 km) |
| Harrow to Rio Grande City (Texas) | 5,152.12 mi (8,291.53 km) |
| Harrow to Rio Linda (California) | 5,261.96 mi (8,468.30 km) |
| Harrow to Rio Rancho (New Mexico) | 4,971.36 mi (8,000.63 km) |
| Harrow to Rio Rico (Arizona) | 5,329.92 mi (8,577.67 km) |
| Harrow to Ripon (California) | 5,307.37 mi (8,541.38 km) |
| Harrow to River Edge (New Jersey) | 3,442.68 mi (5,540.45 km) |
| Harrow to River Falls (Wisconsin) | 3,982.84 mi (6,409.76 km) |
| Harrow to River Forest (Illinois) | 3,943.22 mi (6,346.01 km) |
| Harrow to River Grove (Illinois) | 3,942.56 mi (6,344.94 km) |
