| Ii to Ridgeland (Mississippi) | 4,864.74 mi (7,829.04 km) |
| Ii to Ridgewood (New Jersey) | 3,941.57 mi (6,343.34 km) |
| Ii to Rifle (Colorado) | 4,768.32 mi (7,673.87 km) |
| Ii to Rincon (Georgia) | 4,655.74 mi (7,492.68 km) |
| Ii to Ringwood (New Jersey) | 3,938.23 mi (6,337.96 km) |
| Ii to Río Grande (Puerto Rico) | 5,102.70 mi (8,212.00 km) |
| Ii to Rio Grande City (Texas) | 5,447.57 mi (8,767.01 km) |
| Ii to Rio Linda (California) | 5,032.27 mi (8,098.65 km) |
| Ii to Rio Rancho (New Mexico) | 5,026.74 mi (8,089.75 km) |
| Ii to Rio Rico (Arizona) | 5,352.44 mi (8,613.92 km) |
| Ii to Ripon (California) | 5,091.67 mi (8,194.25 km) |
| Ii to River Edge (New Jersey) | 3,942.99 mi (6,345.64 km) |
| Ii to River Falls (Wisconsin) | 4,136.52 mi (6,657.09 km) |
| Ii to River Forest (Illinois) | 4,216.82 mi (6,786.32 km) |
| Ii to River Grove (Illinois) | 4,215.42 mi (6,784.07 km) |
