| Effingham to Ridgeland (Mississippi) | 471.27 mi (758.43 km) |
| Effingham to Ridgewood (New Jersey) | 773.44 mi (1,244.74 km) |
| Effingham to Rifle (Colorado) | 1,025.78 mi (1,650.83 km) |
| Effingham to Rincon (Georgia) | 624.73 mi (1,005.41 km) |
| Effingham to Ringwood (New Jersey) | 765.81 mi (1,232.46 km) |
| Effingham to Río Grande (Puerto Rico) | 1,975.13 mi (3,178.67 km) |
| Effingham to Rio Grande City (Texas) | 1,061.80 mi (1,708.80 km) |
| Effingham to Rio Linda (California) | 1,758.97 mi (2,830.79 km) |
| Effingham to Rio Rancho (New Mexico) | 1,031.23 mi (1,659.60 km) |
| Effingham to Rio Rico (Arizona) | 1,365.74 mi (2,197.95 km) |
| Effingham to Ripon (California) | 1,756.50 mi (2,826.81 km) |
| Effingham to River Edge (New Jersey) | 776.98 mi (1,250.43 km) |
| Effingham to River Falls (Wisconsin) | 448.27 mi (721.42 km) |
| Effingham to River Forest (Illinois) | 195.51 mi (314.64 km) |
| Effingham to River Grove (Illinois) | 197.31 mi (317.54 km) |
