| Irvine to Ridgeland (Mississippi) | 4,236.34 mi (6,817.74 km) |
| Irvine to Ridgewood (New Jersey) | 3,199.00 mi (5,148.30 km) |
| Irvine to Rifle (Colorado) | 4,473.76 mi (7,199.83 km) |
| Irvine to Rincon (Georgia) | 3,904.55 mi (6,283.76 km) |
| Irvine to Ringwood (New Jersey) | 3,199.33 mi (5,148.82 km) |
| Irvine to Río Grande (Puerto Rico) | 4,060.20 mi (6,534.25 km) |
| Irvine to Rio Grande City (Texas) | 4,886.98 mi (7,864.84 km) |
| Irvine to Rio Linda (California) | 4,940.27 mi (7,950.59 km) |
| Irvine to Rio Rancho (New Mexico) | 4,672.54 mi (7,519.73 km) |
| Irvine to Rio Rico (Arizona) | 5,029.55 mi (8,094.28 km) |
| Irvine to Ripon (California) | 4,986.67 mi (8,025.27 km) |
| Irvine to River Edge (New Jersey) | 3,198.78 mi (5,147.94 km) |
| Irvine to River Falls (Wisconsin) | 3,688.77 mi (5,936.50 km) |
| Irvine to River Forest (Illinois) | 3,665.04 mi (5,898.31 km) |
| Irvine to River Grove (Illinois) | 3,664.26 mi (5,897.06 km) |
